Results: 1 - 7 of 7
Dec 31, 1961
Earth Sciences Report
… nearly flat lying rocks of Late Cretaceous age covered by … of variable thickness. The Cretaceous succession consists of …
Mar 26, 2012
Open File Report
… related hydrothermal veins and Cretaceous sedimentary rocks …
Dec 31, 1972
Open File Report
… (oolitic) iron deposits of Late Cretaceous underlie the Clear Hills …
Dec 31, 1966
Earth Sciences Report
… dipping detrital strata of Late Cretaceous age. In most parts of …
Jun 30, 1980
Open File Report
… the Bad Heart Sandstone of Late Cretaceous age. The deposit crops …
Dec 31, 1957
Earth Sciences Report
… of the area is composed of Upper Cretaceous unconsolidated …
Dec 14, 2005
Information Series
… A coal in two seams in late Late Cretaceous Wapiti Formation. During …