Resource Type
Serial/Series Title
States
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Directions for Sampling Coal for Shipment or Delivery
Technical paper issued by the Bureau of Mines with instructions for coal sampling for shipment. As stated in the introduction, "this paper deals with the sampling of coal after it has been mined" (p. 5). This paper includes illustrations.
Date:
June 1917
Creator:
Pope, George S.
System:
The UNT Digital Library
Natural Ventilation of Michigan Copper Mines
Technical paper issued by the Bureau of Mines over the ventilation of copper mines in Michigan. Natural ventilation of the mines and mining conditions are discussed. This report includes tables, maps, and illustrations.
Date:
1932
Creator:
McElroy, G. E.
System:
The UNT Digital Library