Results: 1 - 5 of 5
Dec 31, 1979
Open File Report
… km 2 . A study of the sand and gravel resources of the area was … of these rivers contain coarse gravel and coarse sandy gravel which is as much as 20 m …
Jan 23, 2020
Data
… fly ash, humalite, and sand and gravel. This dataset is part of a …
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 …
Apr 23, 2017
Data
… 3, which contains sand and/or gravel resting on the floors of …
Apr 23, 2017
Data
… 5, which contains sand and/or gravel confined to modern valleys, …