Annual report of the State Mineralogist for the year ending ... . ? urn*). ANCIENT RIVER BEDS OF FOREST HILL DIVIDE. 435 l%$9-9o THE ANCIENT RIVER BEDS OF THE FOREST HILL DIVIDE.* By Ross E. Browne, Mining Engineer. The Forest Hill Divide is situated in Placer County, between theNorth and Middle Forks of the American River. It is one of thenumerous spur-like ridges of the western flank of the Sierra Nevada. The ridge-line is uniformly graded and unbroken for twenty-fivemiles or more, extending from an altitude of five thousand eighthundred to two thousand three hundred feet above sea level. Mi
Annual report of the State Mineralogist for the year ending ... . ? urn*). ANCIENT RIVER BEDS OF FOREST HILL DIVIDE. 435 l%$9-9o THE ANCIENT RIVER BEDS OF THE FOREST HILL DIVIDE.* By Ross E. Browne, Mining Engineer. The Forest Hill Divide is situated in Placer County, between theNorth and Middle Forks of the American River. It is one of thenumerous spur-like ridges of the western flank of the Sierra Nevada. The ridge-line is uniformly graded and unbroken for twenty-fivemiles or more, extending from an altitude of five thousand eighthundred to two thousand three hundred feet above sea level. Midwaybetween these points the ridge branches, the northerly branch beingthe Iowa Hill Divide, and the southerly, or main branch, the ForestHill Divide proper. The general course is south of west, or approxi-mately normal to the axis of the main Sierra Range. At certain favorably located points an extended view is obtained ofthis and neighboring divides. Upon losing the effect of the detail onereceives the impression of a general uniformity in the grades of thesummit-line
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Keywords: ., bookcentury1800, booksubjectgeology, booksubjectminesandmineralr
