- Burchfiel, B. C., 1966, Reconnaissance geologic map of the Lathrop Wells 15-minute quadrangle, Nye County, Nevada: IMAP 474, 1 map.,
- Dibblee, T. W., Jr., 1966, Geologic map of the Lavic quadrangle, San Bernardino County, California: IMAP 472, 1 map :col. ;45x37 cm. on 81x66 sheet fold. in envelope 25x31 cm. +1 text ( 5 leaves ; 28 cm.),
- Dibblee, T. W., Jr.; Bassett, A. M., 1966, Geologic map of the Newberry quadrangle, San Bernardino County, California: IMAP 461, 1 map :col. ;45x37 cm. on 81x66 sheet fold. in envelope 25x31 cm. +1 text ( 4 leaves ; 28 cm.),
- Dibblee, T. W., Jr.; Bassett, A. M., 1966, Geologic map of the Cady Mountains quadrangle, San Bernardino County, California: IMAP 467, 1 map :col. ;45x37 cm. on 81x66 sheet fold. in envelope 25x31 cm. +1 text ( 5 leaves ; 28 cm.),
- Geological Survey (U.S.), 1966, (LAC-42) Geologic map of the Mare Serenitatis region of the moon: IMAP 489, 1 map :col. ;on sheet 72 x 124 cm. fold. in envelope 30 x 24 cm.,
- Geological Survey (U.S.), 1966, Geologic map of California: IMAP 512, 1 map :col. ;on sheet 53 x 43 cm.,
- Goddard, E. N., 1966, Geologic map and sections of the Zuni Mountains fluorspar district, Valencia County, New Mexico: IMAP 454, 1 map :col. ;112 x 97 cm. folded to 25 x 20 cm. in envelope 30 x 24 cm.,
- Griggs, A. B., 1966, Reconnaissance geologic map of the west half of the Spokane quadrangle, Washington and Idaho: IMAP 464, 1 map.,
- Hackman, R. J., 1966, (LAC-40) Geologic map of the Montes Apenninus region of the Moon: IMAP 463, 1 map :col. ;48 x 55 cm. on sheet 80 x 118 cm. fold. in envelope 30 x 24 cm.,
- Hoare, J. M.; Condon, W. H., 1966, Geologic map of the Kwiguk and Black quadrangles, western Alaska: IMAP 469, 1 map.,
- Larrabee, D. M., 1966, Map showing distribution of ultramafic and intrusive mafic rocks from northern New Jersey to eastern Alabama: IMAP 476, 1 map on 3 sheets :col. ;285 x 59 cm., sheets 81 x 103 cm. folded in envelope 30 x 24 cm.,
- Neuerburg, G. J., 1966, Distribution of selected accessory minerals in the Osgood Mountains stock, Humboldt County, Nevada: IMAP 471, 4 maps on 1 sheet :col. ;49 x 20 cm., sheet 72 x 109 cm. folded in envelope 30 x 24 cm.,
- Patton, W. W., Jr., 1966, Regional geology of the Kateel River quadrangle, Alaska: IMAP 437, 1 map.,
- Patton, W. W., Jr.; Miller, T. P., 1966, Regional geologic map of the Hughes quadrangle, Alaska: IMAP 459, 1 map.,
- Pewe, T. L.; Wahraftig, Clyde; Weber, F. R., 1966, Geologic map of the Fairbanks quadrangle, Alaska: IMAP 455, 1 map.,
- Schmidt, R. G., 1966, Preliminary geologic map of the Comb Rock quadrangle, Lewis and Clark County, Montana: IMAP 468, 1 map.,
- Soister, P. E., 1966, Geologic map of the Muskrat Basin quadrangle, Fremont County, Wyoming: IMAP 482, 1 map.,
- Soister, P. E., 1966, Geologic map of the Rongis Reservoir SE quadrangle, Fremont County, Wyoming: IMAP 483, 1 map.,
- Thayer, T. P., 1966, Geologic map of the Canyon City quadrangle, northeastern Oregon: IMAP 447, 1 map.,
- Trask, N. J.; Titley, Spencer Rowe, 1966, Geologic map of the Pitatus region of the moon: IMAP 485, 1 map.,
- Uchupi, Elazar, 1966, Map showing relation of land and submarine topography, De Soto Canyon to Great Bahama Bank: IMAP 475, 1 map :col. ;90 x 106 cm. fold. in envelope 30 x 24 cm.,
- Walker, G. W.; Repenning, C. A., 1966, Reconnaissance geologic map of the west half of the Jordan Valley quadrangle, Malheur County, Oregon: IMAP 457, 1 map.,
