Employment and related statistics of mines and quarries, 1935
Series: Mineral technology and output per man studies -- report no. E-4; Mineral technology and output per man studies -- rept. no. E-4
Publisher: Works Progress Administration, National Research Project and Dept. of the Interior, Bureau of Mines; Dept. of Commerce, Bureau of the Census
Published: 1937
Place of publication: Philadelphia, Pa
Language: eng
Number of pages: 133
Subjects: Miners; Employment; Statistics; Coal mines and mining; Coal miners
Other titles: Coal; Employment and related statistics of mines and quarries 1935 :
Notes: Cover title: Coal.

"July 1937."

Includes bibliographical references.
Table of contents: title: pt. I. Bituminous coal / by F.G. Tryon ... [et al.]; title: pt. II. Pennsylvania anthracite / by F.G. Tryon ... [et al.].