PACER : data entry, retrieval, and update for the National Coal Resources Data System (phase 1) /

A set of programs, written in FORTRAN IV, which extends the capability of GRASP and which has been developed in response to the need for a computer-based National Coal Resources Data System.

Bibliographic Details

Corporate Author:	Geological Survey (U.S.)
Other Authors:	Cargill, Simon M.
Format:	Government Document Book
Language:	English
Series:	Geological Survey professional paper ; 978.
Subjects:	PACER (Computer file) National Coal Resources Data System.