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The Marble Mountains are a sub-range of the Klamath Mountains in northwestern California. The highest point in the Marbles is Boulder Peak at . The Marbles are protected by the Marble Mountain Wilderness of the Klamath National Forest. The Marble Mountain Wilderness is a forested area and contains 89 lakes stocked with trout. Large streams have steelhead trout and salmon. Bear, deer and other wildlife are plentiful. Long recognized for its wild value, this region became a Primitive area in 1931, a Wilderness in 1953, and a part of the National Wilderness Preservation System in 1964. The area where the Marble Mountains now exist was once part of the flat bottom of an ancient, shallow ocean. Millions of years ago, violent volcanic upheavings and the erosive cutting action of rivers and glaciers combined to form the Marble Mountains. Marble Mountain itself is composed primarily of prehistoric marine invertebrates. Almost all the lakes of the Marble Mountains were formed by ancient glacial activity. The Pacific Crest Trail runs through the wilderness for . The Marble Mountain Wilderness features an unparalleled diversity of plant life found nowhere else in the state. More species of conifers (17) live in proximity here than any place else in the world. These trees include the Brewer's spruce, incense cedar, Western Juniper; white, subalpine, and Shasta red fir; Engelmann spruce, mountain hemlock, Pacific yew; and whitebark, knobcone, foxtail, lodgepole, sugar, ponderosa, and Western white pine. The Marble Mountains form part of the drainages of the Salmon and Klamath rivers. The Marble Mountains can be reached from State Route 96 between Hamburg and Somes Bar, State Route 3 via the Scott River Road between Scott Bar and Fort Jones or State Route 3 via the Etna-Somes Bar Road. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Marble Mountains (Siskiyou County)」の詳細全文を読む スポンサード リンク
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