Kelly, William Crowley, 1929- Kelly, William Crowley, 1929-
Telluride ores of Boulder County, Colorado /
[by] William C. Kelly [and] Edwin N. Goddard.
- [Boulder] : Geological Society of America, 1969.
- Geological Society of America. Memoir ; 109 .
- Memoir (Geological Society of America) ; 109. .