Gypsum deposits in the United States
By: by George I. Adams and others.
Series: United States Geological survey. Bulletin -- no. 223. -- Series A, Economic geology -- 30 [from old catalog]
Publisher: Govt. print. off.
Published: 1904
Place of publication: Washington
Language: eng
Number of pages: 129
Subjects: Gypsum. [from old catalog]