Report of progress in the laboratory of the Survey at Harrisburg
By: by Andrew S. M'Creath.
Series: Pennsylvania. Geological survey, 2d. Report of progress -- M; Report of progress (Geological Survey of Pennsylvania) -- M.
Publisher: Published by the Board of commissioners for the Second geological survey
Published: 1875
Place of publication: Harrisburg
Language: eng
Subjects: Geology, Economic -- Chemical analysis.
Notes: At head of title: Second geological survey of Pennsylvania: 1874-5.