| Who What Where WhenWHATWHERE | REFINE  Browse All : Geology Book and Forests and Geologic Atlas by Wilson, H.M.
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       Author [USGS (U.S. Geological Survey), Walcott, Charles D., Thompson, A.H., Sudworth, George B., Gannett, Henry] Full Title Plate LXXXV. Placerville Quadrangle, Land Classification and Density of Standing Timber. Publisher Government Printing Office Author [USGS (U.S. Geological Survey), Walcott, Charles D., Sudworth, George B.] Full Title Plate LXXXVII. Jackson Quadrangle, Land Classification and Density of Standing Timber. Julius Bien & Co. Lith. N.Y. Publisher Government Printing Office 
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