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 28.27:9202 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 9202 |
Subject: | Quarries and quarrying--United States--Employees--Statistics |
Link: | https://hdl.handle.net/2027/mdp.39015078457960 |