Larsen, J.C.
Assmus, K.C.
Causey, J.D.
Zientek, M.L.
2004
Rectified images of selected geologic maps of the northern Rockies area, Idaho, Montana, Washington, and Wyoming
raster digital data
U.S. Geological Survey Data Series
DS 106
Menlo Park, CA
U.S. Geological Survey
This rectified map image was created for the purpose of directly comparing an image of the original geologic map with other geospatial information. The rectified image includes the map and coordinate labels; titles, text, explanations, cross sections, and collar information were cropped.
This rectified image was created to allow the direct comparison of a published geologic map with other geospatial information in a geographic information system. The rectified image can be compared to vector representations of the same map to ensure that features are coded correctly and that all geologic information on the published map was captured in the vector files. The image also quickly illustrates how the author intended to symbolize the map.
Bearpaw_geo_rect.sid is a rectified (georeferenced) MrSID image format file that was derived from an unpublished rectified TIFF image format file which, in turn, was created by scanning a paper copy of the original map by B. Carter Hearn Jr. (1976).
en
1976
Publication date of original map
None planned
-110.179268
-108.945751
48.640108
47.824000
561415.055278
651379.031398
5387565.971070
5298500.335905
None
geologic map
rectified raster image
digital image
georeferenced image
Bearpaw Mountains
Montana
USA
none
This digital image is not meant to be used or displayed at any scale larger than 1:125,000 (for example, 1:2,000).
Michael L. Zientek
U.S. Geological Survey
Geologist
mailing and physical address
904 W. Riverside, Room 202
Spokane
WA
99201-1087
(509) 368-3105
mzientek@usgs.gov
N/A
Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 1; ESRI ArcGIS 8.3, Adobe Photoshop Elements 2.0; LizardTech Geospatial Encoder 1.4; 3001, Inc. RAster Georeference Enabler (RAGE) 1.1.17.
Raster Dataset
The title, text, explanation, cross section, index maps and collar information of the original data source map are cropped or partially cropped in the georeferenced MrSID image.
The rectified image was tested to ensure it was projected and georeferenced properly by overlying it with a latitude and longitude tic points coverage (tic120602utm) that was mathematically generated using ARC/INFO. At the scale of publication, reference points on image coincided with corresponding reference points of the tic file.
N/A
Hearn, B.C., Jr.
1976
Geologic and tectonic maps of the Bearpaw Mountains Area, North-Central Montana
map
U.S. Geological Survey Miscellaneous Investigations Series Map
I-919
Denver, CO
U.S. Geological Survey
Sheet 1 of 2
125000
paper
1976
publication date
Hearn (1976)
The full map extent of the original paper map and marginal coordinate information, excluding the title, explanation, cross-sections, index maps, and other collar information, was used in this data set.
The original paper map was scanned and saved as a 300 dpi, 24-bit color TIFF image using an HP-4200 Designjet scanner. The scanned TIFF image was cropped to include the map and marginal coordinate information. The resulting TIFF image was rotated and color balanced using Adobe Photoshop Elements 2.0. A polygon shapefile of 1:100,000-scale quadrangles (hwquad100g.shp) was used to rectify the image with ArcMap 8.3. Latitude and longitude intersections displayed on the TIFF image were tied to the corresponding quadrangle corner in the hwquad100g.shp file. The rectified TIFF was then opened in LizardTech Geospatial Encoder 1.4 and converted to MrSID image format using a 10:1 compression ratio. The resulting files include the image data (*.sid) and a world file (*.sdw). ArcGIS did not recognize coordinate information for these files, so 3001, Inc.'s RAster Georeference Enabler (RAGE) tool was used to associate coordinate information with the MrSID image. The RAGE tool is available from URL = http://www.3001data.com/3001website/main/downloads_files/rage/geotiff_header_repair.htm.
2004
Hearn (1976)Bearpaw_geo_rect.sid
Raster
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FALSE
Wavelet
pixel codes
MrSID
Upper Left
TRUE
10.823385
10.823385
Universal Transverse Mercator
12
0.999600
-111.000000
0.000000
500000.000000
0.000000
row and column
10.823385
10.823385
meters
North American Datum of 1927
Clarke 1866
6378206.400000
294.978698
GCS_North_American_1927
NAD_1927_UTM_Zone_12N
Band_1
256
Table
ObjectID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
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Band_2
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U.S. Geological Survey, Spokane Field Office
Michael L. Zientek
mailing and physical address
904 W. Riverside, Room 202
Spokane
WA
99201-1087
(509) 368-3105
mzientek@usgs.gov
DS 106
The U.S. Geological Survey (USGS) provides these geographic data "as is". The USGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. The USGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty.
In no event shall the USGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by USGS.
This digital geologic map image is not meant to be used or displayed at any scale larger than 1:125,000 (for example, 1:2,000).
MrSID
1.4
The SID file contains the image data. The SDW file contains the world file. The AUX file contains auxiliary information such as map projection, pointer to pyramid file, etc. The XML file contains the metadata describing the data set <data set name>.sid.xml.
MrSID
19.569
19.569
N/A
Software that supports MrSID image format is required to use this data.
20040915
Jeremy C. Larsen
Information Systems Support (under contract to the U.S. Geological Survey)
Contractor
mailing and physical address
904 W. Riverside, Room 202
Spokane
WA
99201
(509) 368-3118
jlarsen@usgs.gov
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
none
none
http://www.esri.com/metadata/esriprof80.html
ESRI Metadata Profile
en
Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 8.3.0.800
-110.179268
-108.945751
48.640108
47.824
1
Bearpaw_geo_rect.sid
561415.055278
5387565.97107
5298500.335905
651379.031398
1
002
Local Area Network
file://\\Qsnap1\HWTRS\HW_RegionalGeology\Map_Images_Final\Report_working\OF04-xxx\GEOREFERENCED\Bearpaw_geo_rect.sid
19.569
Raster Dataset
{0FFCF226-CB93-48D4-B256-AA06E394D5BC}
20040915
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FALSE
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20040607
11240900
20040915
dataset
ISO 19115 Geographic Information - Metadata
DIS_ESRI1.0
NAD_1927_UTM_Zone_12N
2
1
10.82339
8312
10.82339
8229