Maps on topographic or planimetric bases; various scales; show results of surveys using geophysical techniques, such as gravity, magnetic, seismic, or radioactivity, which reflect subsurface structures that are of economic or geologic significance. Many maps are correlated with the geology.
- GP 1016
- Meyer, J.F., Jr., Saltus, R.W., Barnes, D.F., and Morin, R.L., 1996, Bouguer gravity map of interior Alaska: U.S. Geological Survey Geophysical Investigations Map 1016, 2 sheets, scale 1:500,000.
- GP 1014
- Meyer, J.F., Jr., and Saltus, R.W., 1995, Merged aeromagnetic map of interior Alaska: U.S. Geological Survey Geophysical Investigations Map 1014, 2 sheets, scale 1:500,000.
- GP 992
- Cady, J.W., 1991, Aeromagnetic map of Alaska from lat 65 degrees -68 degrees N, long 141 degrees -162 degrees W; color-shaded relief: U.S. Geological Survey Geophysical Investigations Map 992, 2 sheets, scale 1:500,000.
- GP 971
- Childs, J.R., Magistrale, H.W., and Cooper, A.K., 1987, Free-air gravity anomaly map of the central and northern Bering Sea: U.S. Geological Survey Geophysical Investigations Map 971, 1 sheet, scale 1:1,000,000.
- GP 970
- Childs, J.R., Magistrale, H.W., and Cooper, A.K., 1987, Free-air gravity anomaly map of the Umnak Plateau region, southeastern Bering Sea: U.S. Geological Survey Geophysical Investigations Map 970, 1 sheet, scale 1:1,000,000.
- GP 939
- Childs, J.R., Cooper, A.K., and Wright, A.W., 1981, Residual magnetic map of Umnak Plateau region, southeastern Bering Sea: U.S. Geological Survey Geophysical Investigations Map 939, 1 sheet, scale 1:1,000,000.
- GP 913
- Barnes, D.F., 1977, Bouguer gravity map of Alaska: U.S. Geological Survey Geophysical Investigations Map 913, 1 sheet, scale 1:2,500,000.
- GP 909
- Healey, D.L., and Kibler, J.E., 1976, Complete Bouguer and free-air gravity anomaly maps of the Rat Islands west of Amchitka Island, Alaska: U.S. Geological Survey Geophysical Investigations Map 909, 1 sheet, scale 1:250,000.
- GP 908
- Healey, D.L., and Kibler, J.E., 1976, Complete Bouguer and free-air gravity anomaly maps of the Delarof Islands and Tanaga Island, Alaska: U.S. Geological Survey Geophysical Investigations Map 908, 1 sheet, scale 1:250,000.
- GP 881
- Johnson, G.R., and Sainsbury, C.L., 1974, Aeromagnetic and generalized geologic map of the west-central part of the Seward Peninsula, Alaska: U.S. Geological Survey Geophysical Investigations Map 881, 1 sheet, scale 1:125,000.
- GP 693
- Miller, C.H., and Bath, G.D., 1969, Gravity map of Amchitka and nearby islands, Alaska: U.S. Geological Survey Geophysical Investigations Map 693, 1 sheet, scale 1:250,000.
- GP 447
- Andreasen, G.E., Wahrhaftig, Clyde, and Zietz, Isidore, 1964, Aeromagnetic reconnaissance of the east-central Tanana Lowland, Alaska: U.S. Geological Survey Geophysical Investigations Map 447, 3 p., 2 sheets, scale 1:125,000.
- GP 354
- Andreasen, G.E., Dempsey, W.J., and Vargo, J.L., 1963, Aeromagnetic map of parts of the Ugashik and Karluk quadrangles, Alaska: U.S. Geological Survey Geophysical Investigations Map 354, 1 sheet, scale 1:125,000.
- GP 353
- Andreasen, G.E., Dempsey, W.J., and Vargo, J.L., 1963, Aeromagnetic map of part of the Naknek Quadrangle, Alaska: U.S. Geological Survey Geophysical Investigations Map 353, 1 sheet, scale 1:125,000.
- GP 352
- Henderson, J.R., and Vargo, J.L., 1963, Aeromagnetic map of part of the Dillingham Quadrangle, Alaska: U.S. Geological Survey Geophysical Investigations Map 352, 1 sheet, scale 1:125,000.
- GP 156
- Andreasen, G.E., Dempsey, W.J., Henderson, J.R., and Gilbert, F.P., 1958, Aeromagnetic map of the Copper River basin, Alaska: U.S. Geological Survey Geophysical Investigations Map 156, 1 sheet, scale 1:125,000.
- GP 135
- Rossman, D.L., Henderson, J.R., Jr., and Walton, M.S., Jr., 1956, Reconnaissance total intensity aeromagnetic map of the southern part of Prince of Wales Island, Alaska: U.S. Geological Survey Geophysical Investigations Map 135, 1 sheet.