May be of interest : 

2017 Mineral Commodity Summaries:

US Mines Produced an Estimated $74.6 Billion in Minerals during 2016

Mineral Statistics & Information :

Mineral Information by Country :

Mineral Resources On-Line Spatial Data:

Mineral research materials, USGS Library catalog:

Mineral research materials, electronic :


For those of you that are military librarians, the USGS Military Geology bibliography is listed in: 

Reports and Maps of the Military Geology Unit 1942-1975

To find the USGS Library holdings use the search term "Military Geology" to obtain the Branch and Unit publications :

Other historical information that may be of interest: 

Geological Society, London, Special Publication 362, Military Aspects of Hydrogeology:

Enjoy the day,

Emily C. Wild
Librarian (Physical Scientist)
U.S. Geological Survey, Denver Library
Denver Federal Center
ph: (303) 236-1003
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USGS Libraries: