Results: 1 - 4 of 4
Dec 31, 1981
Bulletin
… limestone, quartzite, and total gravel fractions). Plots are given … of grain size in large gravel-bedded streams is treated y … Then, there is the central gravel reach which shows an …
Jan 23, 2020
Data
… peat, humalite, and sand and gravel, as well as minerals that … rare earth elements, salt, sand/gravel, silica sand, silver, stone, … such as peat, stone, sand and gravel, bromine, iodine, and marl …
Jul 31, 2001
Earth Sciences Report
… 25 glaciofluvial, or sand and gravel samples; and 1 preglacial sand and gravel sample. More than 2000 …
Dec 31, 1968
Earth Sciences Report