Coal_bituminous.jpg
No higher resolution available.
Summary
Bituminous coal
Source: http://resourcescommittee.house.gov/subcommittees/emr/usgsweb/photogallery/ archive copy at the Wayback Machine ; English Wikipedia, original upload 3 August 2004 by Chris 73
|
This image is a work of the "Minerals in Your World" project, a cooperative effort between the United States Geological Survey and the Mineral Information Institute . The images were featured in the "Minerals and Materials Photo Gallery" on the website of the U.S House Subcommittee on Energy and Natural Resources. As a work of the U.S. federal government , the image is in the public domain in the United States. |
|
