Lead and zinc ores near Phoenixville, Chester County, Pennsylvania
By: by Benjamin LeRoy Miller
Contributors: Pennsylvania. Bureau of Topographic and Geologic Survey
Series: Bulletin -- no. 67
Publisher: Bureau of Topographic and Geological Survey
Published: 1923
Place of publication: [Harrisburg]
Language: eng
Number of pages: 12
Subjects: Lead ores; Zinc ores
Notes: Pa. State Docs. class. no. PY G345/4.17/8:no. 67.

At head of title: Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geological Survey.

March 19, 1923.