Results: 1 - 3 of 3
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, …