The utility of government geological surveys
By: <Reprinted from the Penn monthly for March, 1874>
Series: Social science association of Philadelphia. Papers of 1874; Papers (Philadelphia Social Science Association)
Published: 1874
Place of publication: Philadelphia
Language: eng
Number of pages: 14
Subjects: Geological surveys
Notes: In Penn monthly, March, 1874 vol.l 5 pp. 199-211.