Results: 1 - 4 of 4
Jan 23, 2020
Data
… fly ash, humalite, and sand and gravel. This dataset is part of a …
Jan 23, 2020
Map
… rare earth elements, salt, sand/gravel, shale, silica sand, stone, …
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, 1971
Earth Sciences Report