Results: 1 - 3 of 3
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, 1955
Report
Dec 31, 1957
Bulletin
… boundary occurs at a fish-scale sand marker-bed in the Shaftesbury …