Dever C. Ashmead

Born 1884-01-01

Identifiers

Open LibraryOL15823772A

Top Subjects

Statistics (1)
Coal mines and mining (1)
Miners (1)
Coal miners (1)
Employment (1)
United States (1)

Books by Dever C. Ashmead

Total count: 1

Employment and related statistics of mines and quarries, 1935

Works Progress Administration, National Research Project and Dept. of the Interior, Bureau of Mines1937-01-01