Report on the subject of a geological & mineralogical survey of the state
By: Mr. Worthington, chairman.
Contributors: Sillman, Benjamin, 1779-1864.
Publisher: s.n.]
Published: 1834
Place of publication: [Harrisburg?
Language: eng
Subjects: Geology -- Pennsylvania -- Surveys.; Mines and mineral resources -- Pennsylvania.
Notes: "Read in the House of Representatives, March 31, 1834."
"Suggestions to ... chairman of a Committee ... , upon the subject of a geological survey of the state" by B. Sillman; p. 6-8.