National Coal Resources Data System (NCRDS) /

"Analytical data, sample locations, and descriptive information, analytical methods and sampling techniques, database perspective, and bibliographic references for selected U.S. coal samples."

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Energy Resources Program (Geological Survey)
Format:	Government Document Database
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey.
Subjects:	National Coal Resources Data System. Coal reserves > United States > Databases.
Online Access:	https://purl.fdlp.gov/GPO/LPS116954

Description
Summary:	"Analytical data, sample locations, and descriptive information, analytical methods and sampling techniques, database perspective, and bibliographic references for selected U.S. coal samples."
Item Description:	Title from web page last updated Oct. 20, 2008 (viewed Nov. 27, 2009). Electronic resource.
Publication Frequency:	Updated irregularly
Format:	Mode of access: Internet from the USGS Energy Resources Program web site. Current access is available via PURL.