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OFR 99–0557: Washington Digitized Aeromagnetic Projects
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No
Name
Flown By
Date Flown
Spacing
Dir
Altitude
LnMi
Datum
Publication
0136 Southwest Washington '51 USGS 09/51 0.5 mi. E-W 1000 AG
2542
 Tot.field, arb.datum GP-176-189
0139A S.W. Washington North '531 USGS 07/53-08/53 0.5 mi. E-W 1000 AG
1250
 Tot.field, arb.datum GP-176-182
0139B S.W. Washington South '531 USGS 07/53-08/53 0.5 mi. E-W 1000 AG
1375
 Tot.field, arb.datum GP-183-189
0505 Twin Sisters USGS 09/62-10/62 1 mi. E-W 7000 B
1040
 Tot.field, arb.datum GP-901
0651 Cascades Primitive Area USGS 09/68 1 mi. E-W 10,000 B
1398
 Tot.field, arb.datum B-1325,76-359
2218 South Cascades2 USGS 09/74-10/74 1 mi. E-W 8000 B
3500
 IGRF65 75-648
2243 Northern Washington USGS 05/76 1 mi. E-W 9500 B
3324
 IGRF75 77-254
3014 Central Washington Scintrex 05/72-07/72 1 mi. E-W 9500 B
858
 IGRF65, 54400 B-1452
3015A Washington-Idaho-Montana Scintrex 07/72-09/72 2 mi. E-W 7000 B
5245
 IGRF65 73-294, 295
3064A Olympic Peninsula '75 Geoterrex 01/75-02/75 2 mi. N-S 4200 B
638
 IGRF65 80-950
3064B Olympic Pen.-Offshore Geoterrex 01/75-02/75 1-2 mi. E-W 500 B
900
 IGRF65 80-976
3064C Olympic Pen.-South Geoterrex 01/75-02/75 2 mi. E-W 2500 B
1536
 IGRF65 80-948,977
3083 Walla Walla (Pendleton)3 GeoMet. 03/76 1 mi. N-S 500 AG
2468
 IGRF75, 56108 79-278
WA01 Northeast Washington '59 Hunting. 09/59-10/59 0.25 mi. E-W 500 AG
3945
 ? WA RI-20
WA02E Central Washington, Block E Weston ?/77 0.5 mi. NE-SW 1000-1500 AG
7700
 ? WPPSS-unpub.

1 See Project 136. Projects 139A and 139B are fully merged with Project 136.
2 Project 2218 is incomplete. Data from 121° to 121°30' is missing.
3 Only the eastern part of project 3083 was digitized. The whole project is available as digital data.

Click on the individual survey numbers that are of interest to download ASCII XYZ file to your hard drive or click on the name to view a point plot.

Description of Table

No.: Internal USGS identification number
Name: Internal project name (not always the name used in publication title)
Flown By: Company or government agency who flew the original survey
Spacing and Dir.: Primary flight-line spacing and primary flight-line direction
Altitude: Primary flight altitude in feet; B = barometric elevation, AG = above ground draped over topography
LnMi.: Approximate total of line miles flown for this survey
Datum: Indicates if a regional field was removed and, if it could be determined, the base value removed. Total field = no regional was removed. Arb. (arbitrary) datum = the base value removed was not stated on the map.
Publication: Brief publication reference*. USGS publications are listed as: Open-File reports = xx-yyyy where xx is the publication year, Bulletins and Professional Papers = B-yyyy or P-yyyy, Geophysical Maps = GP-yyyy, Miscellaneous Field Studies Maps = MF-yyyy, Miscellaneous Investigations Maps = I-yyyy, Unpub = unpublished data, refers to all or part of the original project area.

*For more complete references see: Hill, P. L., 1991, Bibliographies and location maps of publications on aeromagnetic and aeroradiometric surveys for the states west of approximately 104° longitude (exclusive of Hawaii and Alaska): U.S. Geological Survey Open-File Report 91-0370-A, 172 p. 

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Further information about aeromagnetic data from the state of Kentucky can be obtained by contacting Pat Hill, (303) 236-1343, email (pathill@usgs.gov), or Bob Kucks, (303) 236-1405, email (rkucks@usgs.gov), or click the button below.
 

Map of Composite
and Merged
Aeromagnetic Data for
Washington
Data Format 
and 
Digitizing Technique
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Aeromagnetics
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This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial Standards. Use of brand names is for descriptive purposes and does not constitute endorsement by the U.S. Geological Survey.

Last modified 9/14/1999.

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