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OFR 99–0557: Illinois Digitized Aeromagnetic Projects
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No
Name
Flown By
Date Flown
Spacing
Dir
Altitude
LnMi
Datum
Publication
0348 Argonne Joliet ARMS USGS 05/1960-07/1960 1 mi. E-W 500 AG
12000
 Tot.field, arb.datum GP-523
IL03 Southwest Illinois1 MSU ?/1971 1 mi. N-S 3000 B
6900
 field removed IL C-495

1 Data for IL03 is incomplete.  Digitized data north of  38° is not available.

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Maps = GP-yyyy, Miscellaneous Field Studies Maps = MF-yyyy, Miscellaneous Investigations Maps = I-yyyy, Unpub = unpublished data, refers to all or part of the original project area.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 east of the Mississippi River north of the Ohio and Potomac rivers, U.S. Geological Survey Open-File Report 91-0370-C, 104 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
Illinois
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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