Results: 1 - 4 of 4
Dec 31, 1966
Earth Sciences Report
… report discusses Ardley zone coal resources in the central Red … the zone, and also a number of coal deposits that have received … 4 units: a coaly shale; an upper coal seam 4 to 6 feet thick with a …
Jan 23, 2020
Map
… marl/ tufa, metallurgical coal, nickel, peat, phosphate, …
Dec 31, 1982
Open File Report
… Bentonite, Clay and Shale, Coal, Copper, Coquina, Diatomite, …
Jul 28, 2010
Data
… was created by the Minerals and Coal Geoscience Section of the …