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OFR 99–0557: New Hampshire and Vermont Digitized Aeromagnetic Projects
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No
Name
Flown By
Date Flown
Spacing
Dir
Altitude
LnMi
Datum
Publication
0213 Berwick '551 USGS 09/1955 0.5 mi. E-W 750 AG
800
 Tot.field, arb.datum GP-136,137
0214 New Hampshire Coop North2 USGS 09/1955 0.5 mi. N-S 750-2500 AG
1100
 Tot.field, arb.datum GP-138,139
0256 New Hampshire West2 USGS 07/1956-08/1956 0.5 mi. E-W 2300 B
2450
 Tot.field, arb.datum GP-194-196
0384B Rowe ARMS East '602 USGS 07/1960-09/1960 1 mi. E-W 500 AG
2900
 Tot.field, arb.datum 72-459,GP-358r
0403 Plattsburgh USGS 09/1961 1 mi. NW-SE 1000-2000 B
315
 Tot.field, arb.datum 72-459
0404 Massachusetts Coop '61 USGS 09/1961 1 mi. E-W 500 AG
544
 Tot.field, arb.datum GP's
0493 Massachusetts Coop '62 USGS 08/1962 0.5-1 mi. E-W 500 AG
785
 Tot.field, arb.datum GP-448-461
0572 Northern New Hampshire '662 USGS 06/1966 0.5 mi. N-S 3500 B
2800
 Tot.field, arb.datum GP-654-656
0638 North-central N.H. '683 USGS 05/1968 0.5 mi. E-W 5000 B
1555
 Tot.field, arb.datum GP-891
0640 Fitchburg4 USGS 06/1968 0.5 mi. E-W 400 AG
3486
 Tot.field, arb.datum GP's
0642 Central New Hampshire '68 USGS 07/1968 0.5 mi. E-W 5000 B
970
 Tot.field, arb.datum GP-892
0686 New Hampshire Coop '703 USGS 06/1970 1 mi. E-W 5000 B
1055
 Tot.field, arb.datum GP-892
0688 Vermont Regional USGS 06/1970-07/1970 2 mi. E-W 4000 B
740
 IGRF65 72-459
0706A New England Regional North5 USGS 03/1971 2 mi. E-W 4000 B
1690
 IGRF65 72-459
0706B New England Regional South5 USGS 03/1971 2 mi. E-W 4000 B
1645
 IGRF65 72-459
NH01 Central New Hampshire6 Aero 06/1976-10/1976 0.5 mi. N-S 3000 B
3189
 IGRF? BE-SG7602
NH02 Southern New Hampshire6 Aero 06/1976-10/1976 0.5 mi. E-W 3000 B
6869
 IGRF? BE-SG7602NJ01

1 Project 0213 is incomplete. Only the eastern half was digitized.
2 Projects 0214, 0256, 0384B, and 0572 are incomplete. Some of the missing parts have been superceded by newer digital data.
3 See Project 0642. All of Project 0686 and part of Project 0638 are fully merged with Project 642. The remaining northern part of Project 0638 is missing.
4 Project 0640 is incomplete. Data from east of -72° is missing.
5 See Project 0688. Projects 0706A and 0706B are fully merged with 0688.
6 Digital data sets may exist for NH01 and NH02. All of NH01 and only a small part of NH02 have been digitized.

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
New Hampshire
and Vermont
Data Format 
and 
Digitizing Technique
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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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