Results: 1 - 3 of 3
Dec 31, 1985
Open File Report
… little in the way of regional maps and cross-sections publicly … and 100, to prepare a series of maps and cross-sections, and to …
Dec 31, 1977
Open File Report
… coal zones. Coal seam thickness maps are presented including …
Dec 31, 1970
Earth Sciences Report
… area than will subsequent maps in the series. It presents on …