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USGS CMG InfoBank Geology School: gravel

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Title Comment Keywords
Force Building Land 05:12 - 06:06 (00:54) / 1.2 MB "James Hutton", land, erosion, life, stream, sand, gravel, sediment, "sedimentary rock", uplift, water
Uses of Sedimentary Rocks 23:25 - 24:42 (01:17) / 1.5 MB "James Sadd", "sedimentary rock", geologist, "Earth's surface", crust, "fossil fuel", oil, "natural gas", coal, "building material", cement, sand, gravel, concrete, "iron ore", steel, bauxite, aluminum, brick, tile, "cut stone", asphalt
Texture of Stream Beds 04:00 - 04:26 (00:26) / 0.8 MB "Dee Trent", river, stream, "water velocity", texture, gravel, boulder, mud, clay, "flow resistance", "Mississippi River"
Bed Load 07:10 - 08:20 (01:10) / 1.9 MB "James Sadd", "Douglas D. Rhodes", river, stream, erosion, sediment, bedrock, "bed load", crust, transportation, discharge, "flow velocity", "grain shape", "grain size", "grain composition", gravel, cobble, boulder, "traction load"
River Bars 09:17 - 10:02 (00:45) / 0.8 MB "James Sadd", river, stream, discharge, "flow velocity", turbulence, energy, erosion, transportation, sediment, deposition, "river channel", bar, sand, gravel, ripple
Desert Pavement 16:09 - 16:42 (00:33) / 1.5 MB desert, "desert pavement", wind, silt, dust, rock, gravel, erosion
Geology School Keywords
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URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/gravelandr.html
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Page Last Modified: Thu Oct 31 04:24:36 PDT 2013  (chd)