- Andrews, D. A., 1940, Structure contour map of the Byron anticline, Wyoming: Open-File Report 40-11, 1 p.,
- Bass, N. W., 1940, Important new oil pools in Osage Indian reservation, Oklahoma, may be discovered: Open-File Report 40-10, 5 p.; 1 map,
- Dobbin, C. E.; Kramer, W. B., 1940, Geologic map and section of the Red Springs anticline: Open-File Report 40-2, 1 map,
- Geological Survey (U.S.), 1940, Mineral production of Alaska in 1939: Open-File Report 40-12, 6 p.,
- Geological Survey (U.S.), 1940, Mining in Alaska in 1939: Open-File Report 40-13, 6 p.,
- Geological Survey (U.S.), 1940, Map of segregated Choctaw and Chickasaw Indian coal lands in Oklahoma: Open-File Report 40-4, 1 map,
- Geological Survey (U.S.), 1940, Geology of some dam sites on the Williams River and Kirkland Creek, Arizona: Open-File Report 40-6, 15 p. :ill.; 2 maps,
- Geological Survey (U.S.), 1940, Geology of several dam sites on tributaries of the Humboldt River, Nevada: Open-File Report 40-8, 21 p. :ill.; 3 maps,
- Geological Survey (U.S.), 1940, Water-power resources of Sandy River Basin, Oregon: Open-File Report 40-9, NA,
- Kramer, W. B.; Frasier, G. G.; McMillan, R.; Cox, J. G., 1940, Geologic map and sections of the northern part of the Baxter Basin gas field, Sweetwater County, Wyoming: Open-File Report 40-3, 1 map,
- Kramer, W. P.; Dobbin, C. E.; McMillan, R., 1940, Geologic map of the East Lance Creek oil and gas field: Open-File Report 40-1, NA,
- Morgan, Arthur M., 1940, Prospective water well sites in vicinity of Rangely, Colorado: U.S. Geological Survey], Open-File Report 40-14, [9] leaves :map ;27 cm.,
- Sayre, A. N., 1940, The ground-water supplies of the El Paso area, Texas: Open-File Report 40-16, 4 p.,
- Sayre, A. N.; Livingston, Penn, 1940, Memorandum regarding the El Paso water supply: Open-File Report 40-15, 13 p.,
- Spicer, H. Cecil, 1940, Estimate of depth to bed rock at some dam sites in the Gunnison, Little Colorado and Zuni River Basins, Colorado and Arizona, based on resistivity measurements 1938-1939: U.S. Geological Survey]], Open-File Report 40-7, 48 [i.e. 93] leaves :ill., maps ;28 cm.,