- Balk, Robert, 1956, Bernardston, Massachusetts-Vermont Bedrock Geology of the Massachusetts Portion of the quadrangle: Geologic Quadrangle 90, 1 map.,
- Balk, Robert, 1956, Northfield, Massachusetts-New Hampshire-Vermont Bedrock Geology of the Massachusetts portion: Geologic Quadrangle 92, 1 map.,
- Balk, Robert, 1956, Millers Falls, Massachusetts Bedrock geology: Geologic Quadrangle 93, 1 map.,
- Cady, Wallace Martin, 1956, Montpelier, Vermont Bedrock geology: Geologic Quadrangle 79, 1 map.,
- Colton, George Willis, 1956, Hamburg quadrangle, New York Bedrock geology: Geologic Quadrangle 97, 1 map.,
- De Witt, Wallace, 1956, Eden quadrangle, New York Bedrock geology: Geologic Quadrangle 96, 1 map.,
- McAllister, James Franklin, 1956, Geologic map of the Ubehebe Peak quadrangle, California: Geologic Quadrangle 95, 1 map :col. ;36x45 cm. on sheet 126x77 cm. fold. in envelope 24x30 cm.,
- Nichols, Donald R., 1956, Narragansett Pier, Rhode Island Bedrock geology: Geologic Quadrangle 91, 1 map.,
- Postel, Albert Williams; Dodson, Chester L.; Carswell, Louis D., 1956, Loon Lake, New York geology: Geologic Quadrangle 63, 1 map.,
- Robinson, G. D., 1956, Geology of the Hayward Quadrangle, California: Geologic Quadrangle 88, 1 map.,
- Segerstrom, Kenneth, 1956, Colrain, Massachusetts-Vermont Bedrock geology: Geologic Quadrangle 86, 1 map.,
- Segerstrom, Kenneth, 1956, Shelburne Falls, Massachusetts Bedrock geology: Geologic Quadrangle 87, 1 map.,
- Shoemaker, Eugene Merle; Cater, Fred W., 1956, Geologic Map of the Roc Creek quadrangle, Colorado: Geologic Quadrangle 83, 1 map :col. ;58 x 45 cm. on sheet 76 x 126 cm. folded to 27 x 22 cm. in envelope 30 x 24 cm.,
- Smith, J. Hiram, 1956, Providence, Rhode Island Surficial geology: Geologic Quadrangle 84, 1 map.,
- Smith, J. Hiram, 1956, Cromptom, Rhode Island Surficial geology: Geologic Quadrangle 94, 1 map.,
- Wells, Francis Gerritt, 1956, Medford, Oregon-California geology: Geologic Quadrangle 89, 1 map.,
- Willard, Max Emery, 1956, Williamsburg, Massachusetts Bedrock geology: Geologic Quadrangle 85, 1 map.,
