Results: 1 - 6 of 6
Apr 30, 2007
Special Report
… rare diamonds have been found in gravel deposits on the northern … worked for their cobble and gravel components, but test … recover heavy minerals from the gravel washings. These minerals are …
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
Map
… rare earth elements, salt, sand/gravel, shale, silica sand, stone, …
Dec 31, 1982
Open File Report
… Rock, Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica …
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