Characterization of the 1986 sand and gravel mining workforce

Author: Butani, Shail J.
Additional Authors: Bartholomew, Ann M.
Year: 1988
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:9203
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 9203
Subject: Sand and gravel industry--United States--Employees
Link: https://hdl.handle.net/2027/mdp.39015078457978

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