- Briggs, R. P., 1964, Provisional geologic map of Puerto Rico and adjacent islands: IMAP 392, 1 map ;38 x 128 cm., on sheet 83 x 140 cm., folded in envelope 30 x 24 cm.,
- Brosge, W. P.; Reiser, H. N., 1964, Geologic map and section of the Chandalar quadrangle, Alaska: IMAP 375, 1 map.,
- Colton, R. B., 1964, Geologic map of the south half of the Baylor, Larslan West Fork, Police Creek, Kahle, and Lundville quadrangles, Valley, Roosevelt, and Daniels Counties, Montana: IMAP 361, 2 maps :col. ;on sheet 66 x 145 cm. in folder 30 x 24 cm.,
- Colton, R. B., 1964, Aggregate and riprap resources map of the Wolf Point area, Montana: IMAP 429, 1 map :col. ;72 x 112 cm. in folder 30 x 24 cm.,
- compiled by Conant, L. C.; Goudarzi, G. H., 1964, Geologic map of the Kingdom of Libya: IMAP 350-A, 1 map :col. ;95 x 106 cm.,
- compiled by Karlstrom, T. N. V., 1964, Surficial geology of Alaska: IMAP 357, 1 map :col. ;129 x 186 cm. on 2 sheets each 129 x 93 cm.,
- compiled by Williams, P. L., 1964, Geology, structure, and uranium deposits of the Moab quadrangle, Colorado and Utah: IMAP 360, 2 maps :col. ;44 x 70 cm. on two sheets 80 x 144 cm. and 60 x 94 cm. folded to 26 x 20 cm. in envelope 30 x 24 cm.,
- Cotter, R. D.; Young, H. L.; Winter, T. C., 1964, Preliminary surficial geologic map of the Mesabi-Vermilion Iron Range area, northern Minnesota: IMAP 403, 1 map :col. ;87 x 126 cm. fold. to 27 x 20 cm.,
- Detterman, J. S.; Reed, B. L., 1964, Preliminary map of the geology of the Iliamna quadrangle, Alaska: IMAP 407, 1 map.,
- Dibblee, T. W., Jr., 1964, Geologic map of the Lucerne Valley quadrangle, San Bernardino County, California: IMAP 426, 1 map :col. ;36x43 cm. on sheet 89x90 cm. folded in envelope 25x30 +1 text (6 p. ; 28 cm.),
- Dibblee, T. W., Jr., 1964, Geologic map of the Ord Mountains quadrangle, San Bernardino County, California: IMAP 427, 1 map :col. ;45x36 cm. on 82x66 cm. sheet fold. in envelope 25x31 cm. +1 text (6 leaves ; 28 cm.),
- Dibblee, T. W., Jr., 1964, Geological map of the Rodman Mountains quadrangle, San Bernardino County, California: IMAP 430, 1 map :col. ;37x48 cm. on 66x83 cm. sheet fold. in envelope 25x31 cm. +1 text (v leaves ; 28 cm.),
- Dibblee, T. W., Jr., 1964, Geologic map of the San Gorgonio Mountain quadrangle, San Bernardino and Riverside Counties, California: IMAP 431, 1 map :col. ;37x48 cm. on 66x83 cm. sheet fold. in envelope 25x31 cm. +1 text (3 leaves ; 28 cm.),
- Fischer, W. A.; Hackman, R. J., 1964, Geologic map and sections of the Torrance Station 4 NE quadrangle, Lincoln County, New Mexico: IMAP 400, 1 map :col. ;58 x 48 cm. on sheet 86 x 142 cm. folded to 22 x 29 cm. in envelope 30 x 24 cm. +text (4 p. ; 27 cm.),
- Fiske, R. S.; Hopson, C. A.; Waters, A. C., 1964, Geologic map and section of Mount Rainier National Park, Washington: IMAP 432, 1 map on 2 fold. sheets.,
- Freeman, V. L., 1964, Geologic map of the Indian Wells quadrangle, Terrell and Brewster Counties, Texas: IMAP 395, 1 map :col. ;44 x 39 cm. folded in envelope 30 x 24 cm.,
- Freeman, V. L., 1964, Geologic map of the Langtry quadrangle, Val Verde County, Tex.: IMAP 422, 1 map :col. ;44 x 39 cm. folded in envelope 30 x 24 cm.,
- Freeman, V. L., 1964, Geologic map of the Shumla quadrangle, Val Verde County, Texas: IMAP 424, 1 map.,
- Haley, B. R., 1964, Geology of the Paleozoic area in the Malvern quadrangle, Garland and Hot Spring Counties, Arkansas: IMAP 405, 1 map :col. ;86 x 81 cm. fold. to 29 x 20 cm. in envelope.,
- Hayes, P. T.; Landis, E. R., 1964, Geologic map of the southern part of the Mule Mountains, Cochise County, Arizona: IMAP 418, 1 map.,
- Hose, Richard Kenneth; Repenning, Charles Albert, 1964, Geologic map and sections of the Cowboy Pass SW quadrangle, Confusion Range, Millard County, Utah: IMAP 390, 1 map :col. ;58 x 45 cm., on sheet 104 x 81 cm., folded in envelope 30 x 24 cm.,
- Hose, Richard Kenneth; Ziony, Joseph I., 1964, Geologic map and sections of the Gandy SE quadrangle, Confusion Range, Millard County, Utah: IMAP 393, 1 map :col. ;58 x 45 cm., on sheet 91 x 81 cm., folded in envelope 30 x 24 cm.,
- Loney, R. A.; Pomeroy, J. S.; Brew, D. A.; Muffler, L. J. P., 1964, Reconnaissance geologic map of Baranoff and Kruzof Islands, Alaska: IMAP 411, 1 map.,
- MacKevett, E. M., Jr.; Berg, H. C.; Plafker, George; Jones, D. L., 1964, Preliminary geologic map of the McCarthy C-4 quadrangle, Alaska: IMAP 423, 1 map.,
- Miller, D. J.; MacColl, R. S., 1964, Geologic map and sections of the northern part of the McCarthy A-4 quadrangle, Alaska: IMAP 410, 1 map.,
- Oakes, E. L., 1964, Bedrock topography of the eastern and central Mesabi Range, northeastern Minnesota: IMAP 389, 4 maps ;on 4 sheets 82 x 117 cm. or smaller folded in envelope 30 x 24 cm.,
- Pewe, T. L.; Holmes, G. W., 1964, Geology of the Mt. Hayes D-4 quadrangle, Alaska: IMAP 394, 1 map on two sheets.,
- Roberts, A. E., 1964, Geologic map of the Maxey Ridge quadrangle, Montana: IMAP 396, 1 map.,
- Roberts, A. E., 1964, Geologic map of the Fort Ellis quadrangle, Montana: IMAP 397, 1 map.,
- Roberts, A. E., 1964, Geologic map of the Mystic Lake quadrangle, Montana: IMAP 398, 1 map.,
- Roberts, A. E., 1964, Geologic map of the Bozeman Pass quadrangle, Montana: IMAP 399, 1 map.,
- Schmidt, R. G.; Swanson, D. A.; Zubovic, Peter, 1964, Preliminary geologic map and sections of the Hogan 4 Northeast quadrangle, Lewis and Clark and Cascade Counties, Montana: IMAP 409, 1 map.,
- Scott, G. R., 1964, Geology of the Northwest and Northeast Pueblo quadrangles, Colorado: IMAP 408, 1 map ;91 x 58 cm. folded to 29 x 18 cm. in envelope 30 x 24 cm.,
- Sharps, J. A., 1964, Geologic map of the Dryden Crossing quadrangle, Terrell County, Texas: IMAP 386, 1 map :col. ;44 x 39 cm. folded in envelope 30 x 24 cm.,
- Smith, J. H., 1964, Geology of the sedimentary rocks of the Morrison quadrangle, Colorado: IMAP 428, 1 map :col. ;58 x 45 cm. folded to 28 x 22 cm. in envelope 30 x 24 cm. +1 pamphlet (3 p. ; 27 cm.),
- Snyder, C. T.; Hardman, George; Zdenek, F. F., 1964, Pleistocene lakes in the Great Basin: IMAP 416, 1 map :col. ;90 x 140 cm. fold. in envelope 25 x 31 cm.,
- Wanek, A. A.; Read, C. B.; Robinson, G. D.; Hays, W. H.; McCallum, Malcolm, 1964, Geologic map of the Philmont Ranch region, New Mexico: IMAP 425, 1 map :col. ;
col. ill. ; 41 x 79 cm.)85 x 56 cm. on sheet 100 x 80 cm. folded to 25 x 20 cm. in envelope 30 x 24 cm. +geologic sections (1 sheet :,
- Witkind, I. J., 1964, Preliminary geologic map of the Tepee Creek quadrangle, Montana-Wyoming: IMAP 417, 1 map.,
- Yates, R. G., 1964, Geologic map and sections of the Deep Creek area, Stevens and Pend Oreille Counties, Washington: IMAP 412, 1 map.,
