Amherst meeting of the Geological society of America, Palaeontological society, Mineralogical society of America, and Society of economic geologists December 28-30, 1921
Series: Geological pamphlets. General geology -- 588/609; Geological pamphlets -- 588/609.
Published: 1921
Language: eng
Number of pages: 14
Subjects: Congresses; Geology
Notes: Half title.