Results: 1 - 6 of 6
Nov 18, 2008
Data
Jul 15, 2006
Data
Dec 31, 1968
Earth Sciences Report
… are beds of marl, gravel, sand, and conglomerate. The …
Dec 31, 1981
Bulletin
… with a change from a gravel to a sand bed, which constitutes the … type of reach observed. The sand hows little change in size … in the range from coarse sand to granules. This deficiency …
Dec 31, 1965
Bulletin
Dec 31, 1972
Earth Sciences Report
… gravel with occasional thin sand lenses and is covered by …