- Bergquist, H. R., 1949, Geology of the Woodbine formation of Cooke, Grayson, and Fannin Counties, Texas: Oil and Gas Investigation Map 98, 1 map :col. ;93 x 130 cm.,
- compiled by Keefer, Eleanor K.; Love, J. D.; Larsen, R. M.; Allen, M. W., 1949, Map of Wyoming showing test wells for oil and gas, anticlinal axes, oil and gas fields, pipelines, unit areas, and land district boundaries: Oil and Gas Investigation Map 107, 1 map :col. ;94 x 119 cm.,
- Daviess, S. N.; Woodford, Alfred O., 1949, Geology of the northwestern Puente Hills, Los Angeles County, California: Oil and Gas Investigation Map 83, 1 map.,
- de Witt, Wallace, Jr., 1949, Map of the Berea sand of northern Ohio: Oil and Gas Investigation Map 99, 1 map :col. ;87 x 89 cm. [See Professional Paper 259],
- Denson, N. M.; Botinelly, Theodore, 1949, Geology of the Hartville uplift, eastern Wyoming: Oil and Gas Investigation Map 102, 1 map :col. ;2 sheets 121 x 102 cm.,
- Dobbin, C. E.; Horn, George Henry, 1949, Geology of the Mush Creek and Osage oil fields and vicinity, Weston County, Wyoming: Oil and Gas Investigation Map 103, 1 map :col. ;60 x 66 cm.,
- Duncan, D. C.; Denson, N. M., 1949, Geology of Naval Oil Shale Reserves 1 and 3, Garfield County, Colorado: Oil and Gas Investigation Map 94, 1 map :col. ;73 x 87 cm. ;
cross sections (on sheet 93 x 124 cm.),
- King, Philip Burke, 1949, Regional geologic map of parts of Culberson and Hudspeth Counties, Texas: Oil and Gas Investigation Map 90, 1 map.,
- Kirschner, C. E.; Minard, D. L., 1949, Geology of the Iniskin Peninsula, Alaska: Oil and Gas Investigation Map 95, 1 map :col. ;86 x 129 cm.,
- Love, J. D.; Denson, N. M.; Botinelly, Theodore, 1949, Geology of the Glendo area, Wyoming: Oil and Gas Investigation Map 92, 1 map.,
- Maher, John Charles; Collins, Jack B., 1949, Pre-Pennyslvanian geology of southwestern Kansas, southeastern Colorado, and the Oklahoma Panhandle: Oil and Gas Investigation Map 101, 8 maps and 4 stratigraphic sections on 4 sheets :some col. ;sheets 86 x 110 cm.,
- Moore, Raymond Cecil, 1949, Rocks of Permian (?) age in the Colorado River Valley, north-central Texas: Oil and Gas Investigation Map 80, 2 maps.,
- Read, C. B.; Wood, G. H.; Wanek, A. A.; Mackee, Pedro Verastegui, 1949, Stratigraphy and geologic structure in the Piedra River Canyon, Archuleta County, Colorado: Oil and Gas Investigation Map 96, 1 map :col. ;sheet 102 x 124 cm.,
- Rittenhouse, Gordon, 1949, Early Silurian rocks of the northern Appalachian Basin: Oil and Gas Investigation Map 100, 1 map.,
- Snavely, Parke Detweiler, Jr.; Vokes, Harold Ernest, 1949, Geology of the coastal area from Cape Kiwanda to Cape Foulweather, Oregon: Oil and Gas Investigation Map 97, 1 map.,
- Vokes, Harold Ernest; Norbisrath, Hans; Snavely, Parke Detweiler, Jr., 1949, Geology of the Newport-Waldport area, Lincoln and Lane Counties, Oregon: Oil and Gas Investigation Map 88, 1 map :col. ;89 x 54 cm., on sheet 103 x 135 cm.,
- Zapp, Alfred Dexter, 1949, Geology and coal resources of the Durango area, La Plata and Montezuma Counties, Colorado: Oil and Gas Investigation Map 109, 2 maps on 2 sheets :col. ;sheets 131 x 101 cm.,
