Open main menu
Home
Random
Log in
Settings
About geokb
Disclaimers
geokb
Search
(Q228552)
Language
Watch
Statements
instance of
web page
0 references
publication date
30 November 2018
0 references
author
Brian N Shaffer, PG
0 references
Paul Pierce
0 references
owner
Central Energy Resources Science Center
0 references
addresses subject
geology
0 references
content URL
https://www.usgs.gov/centers/central-energy-resources-science-center/science/us-coal-resources-and-reserves-assessment
0 references