Author

William Crowley Kelly

3 books found

Placeholder cover for Evaluation of the environmental effects of western surface coal mining

Evaluation of the environmental effects of western surface coal mining

William Crowley Kelly · First published 1979

Cover of Telluride ores of Boulder County, Colorado

Telluride ores of Boulder County, Colorado

William Crowley Kelly · First published 1969

Placeholder cover for Topical study of lead-zinc gossans

Topical study of lead-zinc gossans

William Crowley Kelly · First published 1958