Author
Colorado Geological Survey
4
American Geological Institute
2
Allan, Barbara, 1954-
1
Andrews, Martha
1
Colorado State Library
1
Colorado. State Board of Library Commissioners
1
Moran, Barbara B.
1
Paddick, Morris E.
1
Pearl, Richard Howard
1
Polar Libraries Colloquy
1
Polar Libraries Colloquy Boulder, Colo.)
1
Smith, Charles Henry, 1878-
1
Sommer, Shelly, 1969-
1
Tyler, Roger
1
University of Colorado Boulder. Institute of Arctic and Alpine Research
1
University of Colorado Libraries
1
Windnagel, Ann
1