Depth to water (depth2wts - see Supplemental Information for a complete citation)

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 1996
Title:
Depth to water (depth2wts - see Supplemental Information for a complete citation)
Edition: 1
Geospatial_Data_Presentation_Form: Downloadable GIS Data
Publication_Information:
Publisher: U.S. Geological Survey
Online_Linkage: http://pubs.usgs.gov/ds/2006/193/
Larger_Work_Citation:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Title:
Depth to water (see Supplemental Information for a complete citation)
Edition: 1
Geospatial_Data_Presentation_Form: at: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Online_Linkage: http://co.water.usgs.gov/frirp/water_project
Description:
Abstract:
This digital geospatial data set consists of depth-to-water
(unsaturated-thickness) contours that were generated with a
Geographic Information System (GIS).  The U.S. Geological Survey
developed this data set as part of a project that is presented
in the report, Geohydrology of the shallow aquifers in the Denver
metropolitan area, Colorado (Robson, 1996).
Purpose:
This data set was created by the U.S. Geological Survey (USGS) in
the development of USGS Hydrologic Investigations Atlas HA-736
(Robson, 1996).  This data set was used to create a 1:50,000-scale
map.
Supplemental_Information:
Procedures_Used
Using Arc/INFO software, USGS 7.5-minute Digital Elevation Models
(DEMs) that encompass the study area were converted to raster
surface formats (grids, in ARC/INFO terminology) with the command,
DEMLATTICE.  They were mosaicked into a single continuous surface
with the Arc/INFO GRID command, MERGE, and projected into an
appropriate coordinate system using the command, PROJECT.  The
grid was then smoothed using an averaging filter with a radius of
9 grid cells (180 meters):

Grid: lsdcir9 = focalmean (all_lsd7spc,circle,9,data)

A contour data set (coverage, in ARC/INFO terminology) of water-
table altitude (documented separately) was converted to a grid
with the same cell size as the DEM-derived data (approximately
30-meter spacing between data points).

Arc:createtin wttin3 30 30
All Rights Reserved Worldwide.
CREATETIN Version 6.1.1(December 23, 1992)

Createtin:cover watertable2 line contour 1
Createtin:cover wtpts point contour 1
Createtin:end
Loading arcs from coverage watertable2...
Weed tolerance 30.000, input arc points 182669,remaining 62545...
Loading points from coverage wtpts...
Proximal tolerance set to 30.000...
Removing points within tolerance...
Within tolerance 12943. Remaining 49679...
Creating TIN...
Writing TIN data structures...

Arc:tinlattice wttin3 wtgrd3 quintic
Converting tin wttin3 to quintic lattice wtgrd3...

TIN boundary

Xmin = 630971.000Ymin = 192412.063
Xmax = 676910.625Ymax = 240848.578
X-extent= 45939.625Y-extent= 48436.516

Lattice parameter input
------------------------
Enter lattice origin  :630910.800 185004.800
Enter lattice upper-right corner  :684848.000 240905.000
Enter lattice resolution :
Enter distance between lattice mesh points :30.2

Lattice has 1786 points in x, 1852 points in y...
Spacing between mesh points (d) is (30.200)...

Loading TIN data structures...
Loading TIN data structures...Initializing interpolation...
Arc:

The water-table-altitude grid was subtracted from the land-surface-
altitude grid to produce a depth-to-water grid.

Grid: uszgrd5 = /gis/arcwork/temparc/shaqdems/lsdcir9 - ../watertable/wtgrd3

The depth-to-water grid was processed to remove values less than
-20 feet and greater than or equal to 1,000 feet.  Using the
depth-to-water grid, the software generated contours at an interval
of 20 feet to produce the contour coverage of depth to water.

Grid: uszgrd5b = select (uszgrd5, value ge -20 and value lt 1000)
Arc: latticecontour uszgrd5b uszcnt5b 20 0 # 20

Manual editing corrected contours that were not correctly inter-
polated, as determined by consultation with the projects author.
The coverage was built with line topology and clipped with a
coverage of the study area outline.

Arc: clip uszcnt5b1 ../watertable/usz_clipper uszcnt5b1cp line 2.5

The jagged appearance of the contours was addressed by smoothing
the contours in an editing session.  Arc vertex grain tolerances
(the minimum allowable distance between vertices in a line) were
set to 90 meters, all the arcs were generalized with the Arcedit
command, SPLINE, and the grain tolerances were reset to 30 meters
before splining the arcs again.

Arc items "CNT_INT," "TEXTKEY," and "DEPRESSION" were added to
the coverage arc attribute table for plotting purposes.  Further
editing defined how the arcs would be displayed in a plotting
routine.  Also, arc items "TEXTKEY" and "DEPRESSION" were attributed
in this editing session.  Hardcopy and base map overlays were used
for reference.

The final coverage is intended to be used as one thematic layer
in maps to be published at a scale of 1:50,000.

Revisions
Rev 1.0, 4/17/96, original data set.

Reviews_Applied
July-August 1994:  Colleague review of 1:50,000-scale maps that
were generated from the original data set.  Manuscript review
included validation of method as outlined in map report and
inspection for positional accuracy.

January-Febuary 1996:  Colleague review of original digital data
set and associated metadata.  Metadata review included verification
of table and column/item identities and definitions, validation of
the reference data sets and citations, verification of consistency
between log file and documented procedures, and validation of
development method as described in the documentation.

March 1996:  Inspection of 1:50,000-scale hardcopy generated from
this data set.

Related_Spatial_and_Tabular_Data_Sets
None.

Other_References_Cited
Robson, S.G., 1996, Geohydrology of the shallow aquifers in
the Denver metropolitan area, Colorado: U.S. Geological
Survey Hydrologic Investigations Atlas HA-736, 5 sheets,
scale 1:50,000.

Notes
Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee,
1996, Digital geospatial data sets used in the study of
geohydrology of the shallow aquifers in the Denver metro-
politan area, Colorado: a)Bedrock outcrop, b)Unconsolidated-
sediment thickness, c)Water-table altitude, d)Bedrock-
surface altitude, e)Depth to water, and f)Saturated-zone
thickness: U.S. Geological Survey Open-File Report 96-659.

Any use of trade, product or firm names is for descriptive purposes
only and does not imply endorsement by the U.S. Government.

Although this metadata file is designed to conform to the Federal
Geographic Data Committee Spatial Metadata Content Standard, these
data and this metadata file were developed using ARC/INFO software;
therefore, this file includes ARC/INFO-specific terminology.

Data used to develop this project were obtained from many sources,
including the following:

Cherry Creek Valley Water and Sanitation District
City of Brighton
Colorado Department of Health
Colorado Department of Highways
Colorado State Engineers Office
Cooley Sand and Gravel
Denver Federal Center
Denver Water Department
EG&G Rocky Flats Incorporated
Environmental Protection Agency (Superfund)
Frei & Sons (Sand and Gravel)
HRS Consultants
Lowry Air Force Base
Metro Denver Wastewater Reclamation District
Public Service Company
Rocky Mountain Arsenal
U.S. Army Corps of Engineers
Urban Drainage and Flood Control
Western Mobile Incorporated
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 19960000
Currentness_Reference:
publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned..
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -105.23110598
East_Bounding_Coordinate: -104.71381441
North_Bounding_Coordinate: 40.00100669
South_Bounding_Coordinate: 39.56450651
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: geology
Theme_Keyword: hydrology
Theme_Keyword: aquifer
Theme_Keyword: unsaturated-zone
Theme_Keyword: depth-to-water
Theme:
Theme_Keyword_Thesaurus: ArcIMS Metadata Server Theme Codes
Theme_Keyword: geoscientificInformation
Theme_Keyword: economy
Theme_Keyword: environment
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Colorado
Place_Keyword: Denver
Place_Keyword: United States
Place_Keyword: Denver metropolitan area
Access_Constraints: N/A.
Use_Constraints:
This data set should not be used at a scale larger than 1:50,000.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey, Water Resources Division
Contact_Person: Colorado District Chief
Contact_Position: Colorado District Chief
Contact_Address:
Address_Type: mailing address
Address:
Box 25046, MS 415, Denver Federal Center
City: Lakewood
State_or_Province: Colorado
Postal_Code: 80225-0046
Country: United States of America
Contact_Voice_Telephone: 303-236-4882
Contact_Facsimile_Telephone: 303-236-4912
Contact_Electronic_Mail_Address: dc_co@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: http://certmapper.cr.usgs.gov/data/frip/graphic/depth2wts.jpg
Browse_Graphic_File_Type: JPEG
Data_Set_Credit:
U.S. Army--Rocky Mountain Arsenal
U.S. Department of Energy--Rocky Flats Field Office
Colorado Department of Public Health and Environment
Colorado Department of Natural Resources--State Engineers Office
Denver Water Department
Littleton-Englewood Wastewater Treatment Plant
East Cherry Creek Valley Water and Sanitation District
Metro Wastewater Reclamation District
Willows Water District
Cities of Aurora, Lakewood, and Thornton
Security_Information:
Security_Classification_System: None
Security_Classification: Unclassified
Security_Handling_Description: None
Native_Data_Set_Environment:
dgux UNIX, ARC/INFO version 7.0.4
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Bedrock outcrop (see Supplemental Information Notes for a complete citation)
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659A
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Unconsolidated-sediment thickness--see Supplemental Information for a full title
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659B
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Water-table altitude--see Supplemental Information Notes for a complete citation
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659C
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Bedrock-surface altitude (see Supplemental Information Notes for a full title)
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659D
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Depth to water (see Supplemental Information Notes for a complete citation)
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659E
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Cross_Reference:
Citation_Information:
Originator: Char, Stephen J., Sieverling, Jennifer B., and Miller, L. Lee
Publication_Date: 19960000
Publication_Time: 0000
Title:
Saturated thickness (see Supplemental Information Notes for a complete citation)
Edition: 1
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 96659
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Other_Citation_Details:
OFR 96-659F
Online_Linkage: http://co.water.usgs.gov/frirp/water_project/
Larger_Work_Citation:
Back to Top
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
See Entity_Attribute_Information
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: See Explanation
Attribute_Accuracy_Explanation:
attribute defined in the Entity and Attribute Section
Attribute_Accuracy:
Logical_Consistency_Report:
Chain-node topology present.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The DEM-derived input data set was smoothed with a circular filter
of a 9-cell-length (180-meter) radius.  After the data set was
smoothed, it matched more closely the apparent resolution of the
water-table data set.  The final depth-to-water contour data set
would have been too convolute (implying more detail than was
supportable by the water-table data set) if it had been produced
using an unfiltered DEM-derived data set.

The contours that comprise one of the input data sets (watertable2)
were digitized by hand at a scale of 1:24,000 from hand-drawn maps.
The hand-drawn contours for watertable2 were interpolated at 20-foot
intervals using data from wells whose locations were reported in
Public Land Survey System coordinates.  The well locations are
theoretically accurate to the nearest quarter-quarter-quarter-quarter
section, but they were not field-checked for accuracy.

The limited number of supplemental hand-drawn points that comprise
wtpts were interpolated at various intervals, generally 5-foot
intervals, from the same well data.  The supplemental points were
intended to enhance the surface interpolation in areas of the South
Platte River Valley where the CREATETIN session failed to accurately
represent the water-table surface.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The DEM-derived input data set was smoothed with a circular filter
of a 9-cell-length (180-meter) radius.  After the data set was
smoothed, it matched more closely the apparent resolution of the
water-table data set.  The final depth-to-water contour data set
would have been too convolute (implying more detail than was
supportable by the water-table data set) if it had been produced
using an unfiltered DEM-derived data set.

The contours that comprise one of the input data sets (watertable2)
were digitized by hand at a scale of 1:24,000 from hand-drawn maps.
The hand-drawn contours for watertable2 were interpolated at 20-foot
intervals using data from wells whose locations were reported in
Public Land Survey System coordinates.  The well locations are
theoretically accurate to the nearest quarter-quarter-quarter-quarter
section, but they were not field-checked for accuracy.

The limited number of supplemental hand-drawn points that comprise
wtpts were interpolated at various intervals, generally 5-foot
intervals, from the same well data.  The supplemental points were
intended to enhance the surface interpolation in areas of the South
Platte River Valley where the CREATETIN session failed to accurately
represent the water-table surface.
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Process_Step:
Process_Description:
SARAFFER ARCEDIT /HOME/GTI1WORK/SARAFFER/CAPP/JOHN_COHELP/EXPORT/UNSATZNNEW_F1
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951102
Process_Time: 1055
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SARAFFER BUILD UNSATZNNEW_F1 LINE
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951102
Process_Time: 1239
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SARAFFER ARCEDIT /HOME/GTI1WORK/SARAFFER/CAPP/JOHN_COHELP/EXPORT/UNSATZNNEW_F1
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951102
Process_Time: 1319
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SARAFFER ARCEDIT /HOME/GTI1WORK/SARAFFER/CAPP/JOHN_COHELP/EXPORT/UNSATZNNEW_F1
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951103
Process_Time: 1454
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SARAFFER BUILD UNSATZNNEW_F1 LINE
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951103
Process_Time: 1513
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SARAFFER ARCEDIT /WORK/GTI1WORK/SARAFFER/CAPP/JOHN_COHELP/EXPORT/UNSATZNNEW_F1
Source_Used_Citation_Abbreviation:
None
Process_Date: 19951106
Process_Time: 1009
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER COPY ~SARAFFER/CAPP/JOHN_COHELP/EXPORT/UNSATZNNEW_F1 UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960321
Process_Time: 1022
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960321
Process_Time: 1333
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960325
Process_Time: 1101
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960326
Process_Time: 913
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960327
Process_Time: 1047
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /WORK/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960328
Process_Time: 1419
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960329
Process_Time: 833
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960402
Process_Time: 1402
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /WORK/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960409
Process_Time: 1108
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960410
Process_Time: 848
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960411
Process_Time: 1412
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /WORK/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960416
Process_Time: 1054
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
JBSIEVER ARCEDIT /HOME/GIS1WORK2/ROBSON/UNSATZN96
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960417
Process_Time: 921
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 DELETE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960621
Process_Time: 1908
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 CREATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960621
Process_Time: 1930
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 DELETE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960719
Process_Time: 1552
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960723
Process_Time: 1810
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19960912
Process_Time: 1132
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961016
Process_Time: 1540
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961028
Process_Time: 1359
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT UNSATZN96 UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961029
Process_Time: 1427
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR RENAME UNSATZN96 DEPTHTOWATER
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961104
Process_Time: 1527
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR RENAME DEPTHTOWATER DEPTH2WT
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961104
Process_Time: 1541
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT DEPTH2WT UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961104
Process_Time: 1604
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT DEPTH2WT UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19961105
Process_Time: 1731
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR COPY /WORK/GIS1WORK2/ROBSON/DEPTH2WT DEPTH2WT
Source_Used_Citation_Abbreviation:
None
Process_Date: 19970117
Process_Time: 916
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR   DOCUMENT DEPTH2WT UPDATE SJCHAR
Source_Used_Citation_Abbreviation:
None
Process_Date: 19970117
Process_Time: 1026
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR EXPORT COVER DEPTH2WT DEPTH2WT
Source_Used_Citation_Abbreviation:
None
Process_Date: 19970117
Process_Time: 1109
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR BUILD DEPTH2WT LINE
Source_Used_Citation_Abbreviation:
None
Process_Date: 19970121
Process_Time: 1625
Source_Produced_Citation_Abbreviation:
None
Process_Step:
Process_Description:
SJCHAR EXPORT COVER DEPTH2WT DEPTH2WT
Source_Used_Citation_Abbreviation:
None
Process_Date: 19970121
Process_Time: 1633
Source_Produced_Citation_Abbreviation:
None
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Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 0
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 397
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains'
Point_and_Vector_Object_Count: 0
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Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 13
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -105.000000
Latitude_of_Projection_Origin: 0.000000
False_Easting: 500000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000256
Ordinate_Resolution: 0.000256
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
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Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: DEPTH2WT.AAT
Entity_Type_Definition:
Arc attribute table
Entity_Type_Definition_Source:
ARC/INFO
Attribute:
Attribute_Label: -
Attribute_Definition:
Arc attribute table
Attribute_Definition_Source:
ARC/INFO
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: -
Attribute:
Attribute_Label: FNODE#
Attribute_Definition:
Internal number of from-node
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: TNODE#
Attribute_Definition:
Internal number of to-node
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: LPOLY#
Attribute_Definition:
Internal number of poly to left of arc
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: RPOLY#
Attribute_Definition:
Internal number of poly to right of arc
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: LENGTH
Attribute_Definition:
Length of arc in coverage units
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Positive real numbers
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: DEPTH2WT#
Attribute_Definition:
Internal feature number
Attribute_Definition_Source:
Computed
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Sequential unique positive integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: DEPTH2WT-ID
Attribute_Definition:
User-assigned feature number
Attribute_Definition_Source:
User-defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Integer
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: CONTOUR
Attribute_Definition:
Depth to water, in feet
Attribute_Definition_Source:
U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Positive integers evenly divisible by 20
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: CNT_INT
Attribute_Definition:
Depth to water, in feet
Attribute_Definition_Source:
U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Positive integers evenly divisible by 20
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: TEXTKEY
Attribute_Definition:
One-character-wide key used in plotting of text
Attribute_Definition_Source:
U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: "X","B","L","P", or "G"
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Attribute:
Attribute_Label: DEPRESSION
Attribute_Definition:
One-character-wide key to indicate lines which delineate depression features
Attribute_Definition_Source:
U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: "Y" or "N"
Enumerated_Domain_Value_Definition:


Enumerated_Domain_Value_Definition_Source:


Overview_Description:
Entity_and_Attribute_Overview:
Arc attribute "CONTOUR" is the depth-to-water value in feet.

Arc attribute "CNT_INT" is the integer equivalent of item "CONTOUR"
for use in plotting depth-to-water values without three decimal
places.

Arc attribute "TEXTKEY" indicates how contour elevation values are
drawn in a plotting routine:
X = no text, no arc drawn.
B = no text.
L = text above line lc.
P = text using point2 blank.
G = text using point2 blank gray mask.

Arc attribute "DEPRESSION" indicates whether or not a line delineates
a depression feature.  Lines that delineate depressions are coded
as "Y"; non-depression features are coded as "N."
Entity_and_Attribute_Detail_Citation:
Not Available
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Colorado District Chief
Contact_Organization: U.S. Geological Survey, Water Resources Division
Contact_Position: Colorado District Chief
Contact_Address:
Address_Type: mailing address
Address:
Box 25046, MS 415, Denver Federal Center
City: Lakewood
State_or_Province: Colorado
Postal_Code: 80225-0046
Country: United States of America
Contact_Voice_Telephone: 303-236-4882
Contact_Facsimile_Telephone: 303-236-4912
Contact_Electronic_Mail_Address: dc_co@usgs.gov
Hours_of_Service: 8:00am - 4:30pm
Resource_Description: Downloadable Data
Distribution_Liability:
Although this data set has been used by the U.S. Geological
Survey, U.S. Department of the Interior, no warranty expressed or
implied is made by the U.S. Geological Survey as to the accuracy
of the data and related materials. The act of distribution shall not 
constitute any such warranty, and no responsibility is assumed by 
the U.S. Geological Survey in the use of this data, software, or 
related materials.

Any use of trade, product, or firm names is for descriptive
purposes only and does not imply endorsement by the U.S.
Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcInfo Export File
Format_Information_Content:
Depth to water contours geographic features
Transfer_Size: 579 KB
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: http://certmapper.cr.usgs.gov/data/frip/spatial/export/depth2wtse.zip
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Information_Content:
Depth to water contours geographic features
Transfer_Size: 579 KB
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: http://certmapper.cr.usgs.gov/data/frip/spatial/shape/depth2wts.zip
Digital_Form:
Digital_Transfer_Information:
Format_Name: Image Map Service (CO_FrontRange)
Format_Version_Number: 4.01
Format_Specification:
ArcIMS Image Map Service
Format_Information_Content:
A web-based interactive mapping system that accesses an ArcIMS Map Service running on certmapper.cr.usgs.gov.
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: http://certmapper.cr.usgs.gov/pubs/servlet/MapViewerBroker?project=frip&Service=CO_FrontRange&OVMap=CO_overview
Access_Instructions:
This URL links to a web-based interactive mapping system that accesses an ArcIMS Image Map Service that runs in Netscape 4.7, Internet Explorer 4.5 and higher. The mapservice can also be accessed using any custom client that adheres to the protocol specified through ArcXML.
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCE ARC/INFO Export format
Format_Name: SDTS Spatial Data Transfer Standards (FIPS 173)
Format_Version_Number: 7.0.4
Format_Specification:
Topological Vector Profile
File_Decompression_Technique: GNU General Public License gunzip 1.2.4 (18 Aug 93)
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: http://co.water.usgs.gov/frirp/water_project/
Access_Instructions:
Download data set to local disk using a World-Wide Web browser.
Online_Computer_and_Operating_System:
Data General running DG/UX Unix 5.4R3.10
Fees: None for online down-load option. If applicable, fees may vary for custom orders
Ordering_Instructions:
Download via Internet using World-Wide Web browser.
Turnaround: Times will vary, depending upon the request.
Custom_Order_Process:
Contact the Colorado District for off-line or other custom order requests.
Technical_Prerequisites:
User must be able to use either SDTS (FIPS 173) or ARC/INFO Export Formats.
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Metadata_Reference_Information:
Metadata_Date: 19970117
Metadata_Review_Date: 20050301
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Char, S.J.
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
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