Call Number (LC) Title Results
GP-1014 Merged aeromagnetic map of interior Alaska / 1
GP-1015 Aeromagnetic and gravity anomaly maps of the southwestern Nevada volcanic field, Nevada and California / 1
GP-1016 Bouguer gravity map of interior Alaska / 1
GP-1203 Airborne radioactivity survey of the Painted Desert area, Coconino and Navajo Counties, Arizona / 1
GP-1949 B (Southern) Total intensity aeromagnetic map of the southern part of Beltrami County, Minnesota : relative to arbitrary datum / 1
GP-1949 C (Central) Total intensity aeromagnetic map of the central part of Cass County, Minnesota : relative to arbitrary datum / 1
GP-1949 C (Northern) Total intensity aeromagnetic map of the northern part of Cass County, Minnesota : relative to arbitrary datum / 1
GP-1949 C (Southern) Total intensity aeromagnetic map of the southern part of Cass County, Minnesota : relative to arbitrary datum / 1
GP-1949 Cr (Northern) Total intensity aeromagnetic map of the northern part of Crow Wing County and part of Cass County, Minnesota : relative to arbitrary datum / 1
GP-1949 Cr (Southern) Total intensity aeromagnetic map of the southern part of Crow Wing County, Minnesota : relative to arbitrary datum / 1
GP-1949 H Total intensity aeromagnetic map of part of Hubbard County, Minnesota. / 1
GP-1949 I Total intensity aeromagnetic map of the western part of Itasca County, Minnesota : relative to arbitrary datum / 1
GP-1949 J Total intensity aeromagnetic map of Jasper County, Indiana : relative to arbitrary datum / 1
GP-1949 L Total intensity aeromagnetic map of Lake County, Indiana : relative to arbitrary datum / 1
GP-1949 M (Eastern) Total intensity aeromagnetic map of the eastern part of Morrison County, Minnesota : relative to arbitrary datum / 1
GP-1949 M (Western) Total intensity aeromagnetic map of the western part of Morrison County, Minnesota : relative to arbitrary datum / 1
GP-1949 P Total intensity aeromagnetic map of Posey County, Indiana : geophysical investigations / 1
GP-1949 S Total intensity aeromagnetic map of Starke County, Indiana : relative to arbitrary datum / 1
GP-1949 T Total intensity aeromagnetic map of Todd County, Minnesota : relative to arbitrary datum / 1
GP-1949 W Total intensity aeromagnetic map of Wadena County and part of Hubbard County, Minnesota : relative to arbitrary datum / 1