- Alden, William C., 1906, Milwaukee special folio, Wisconsin: Folios of the Geologic Atlas 140, 1 atlas (12 p., [3] leaves of plates) : ill., 2 col. maps ; 55 x 47 cm.,
- Darton, Nelson Horatio; Salisbury, Rollin D., 1906, Bald Mountain-Dayton folio, Wyoming: Folios of the Geologic Atlas 141, 1 atlas (15, [1] p., [9] leaves of plates) : ill., 8 col. maps ; 55 x 47 cm.,
- Darton, Nelson Horatio; Salisbury, Rollin D., 1906, Cloud Peak-Fort McKinney folio, Wyoming: Folios of the Geologic Atlas 142, 1 atlas (16 p., [10] leaves of plates) : ill., 7 col. maps ; 55 x 47 cm.,
- Diller, Joseph Silas, 1906, Redding folio, California: Folios of the Geologic Atlas 138, 1 atlas (14 p., [4] leaves of plates) : ill., 3 col. maps ; 55 x 47 cm.,
- Fisher, Cassius Asa, 1906, Nepesta folio, Colorado: Folios of the Geologic Atlas 135, 1 atlas (5, [1] p., [3] leaves of plates) : ill., 3 col. maps ; 55 x 47 cm.,
- Miller, Benjamin LeRoy, 1906, Dover folio, Delaware-Maryland-New Jersey: Folios of the Geologic Atlas 137, 1 atlas (10 p., [2] leaves of plates) : ill., 2 col. maps ; 55 x 47 cm.,
- Shattuck, George Burbank; Miller, Benjamin LeRoy, 1906, St. Marys folio, Maryland-Virginia: Folios of the Geologic Atlas 136, 1 atlas (7 p., [2] leaves of plates) : ill., 2 col. maps ; 55 x 47 cm.,
- Smith, George Otis; Calkins, F. C., 1906, Snoqualmie folio, Washington: Folios of the Geologic Atlas 139, 1 atlas (13 p.) ; on 13 sheets, ea. 54 x 47 cm.,
- Taff, Joseph Alexander, 1906, Muscogee folio, Indian Territory: Folios of the Geologic Atlas 132, 1 atlas (7, [1] p., [3] leaves of plates) : ill., 3 col. maps ; 55 x 47 cm.,