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Guide for Selecting Manning's Roughness Coefficients for ...
Water-Supply Paper 2339 Prepared in cooperation with the United States Department of Transportation, Federal Highway Administration. Guide for Selecting Manning's Roughness Coefficients for Natural Channels and Flood Plains By GEORGE J. ARCEMENT, JR., and VERNE R. SCHNEIDER
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Groundwater-Level and Storage-Volume Changes in …
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pubs.usgs.govGems are named for their color, type locality, outstanding physical property, or persons. The most popular gem cuts are the cabochon, rose, brilliant, step, and mixed. The carat, one-fifth of a gram or 200 milligrams, is the unit of weight measure ... PRECIOUS GEMS. GEM STONES OF THE UNITED STATES. GEM STONES OF THE UNITED STATES. GEM STONES ...
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