Results: 1 - 2 of 2
Dec 31, 1973
Open File Report
… by moderately to poorly cemented gravel beds belonging to the … places, sand is more common than gravel and considerable reworking … least partially because of the gravel capping which protected the …
Dec 31, 1982
Open File Report
… Rock, Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica …