- Physical Description: 1 online resource (x, 31 pages).
- Publisher: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018.
|Bibliography, etc. Note:||
Includes bibliographical references (pages 10-17).
|Source of Description Note:||
Description based on online resource, PDF version; title from title page (USGS, viewed August 6, 2020).
Search for related items by subject
|Subject:||Coal > Composition > Study and teaching.
Geochemistry > Study and teaching.