Molding sands of Pennsylvania
By: by R.W. Stone and American Foundrymen's Association
Series: Pennsylvania. Bureau of Topographic and Geologic Survey Bulletin -- M11; Bulletin M -- 11.
Publisher: Department of Forests and Waters, Topographic and Geologic Survey
Published: 1928
Place of publication: Harrisburg
Language: eng
Number of pages: 94
Subjects: Foundry Sand
Notes: Pennsylvania Geological Survey, fourth series.