ebrary, Inc, Blair, R., & Bracksieck, G. (2011). The eastern San Juan Mountains: Their geology, ecology, and human history. University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory.
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Chicago-čujuhus (17. p.)
ebrary, Inc, Rob Blair, juo George Bracksieck. The Eastern San Juan Mountains: Their Geology, Ecology, and Human History. Boulder, Colo.: University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory, 2011.
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MLA-čujuhus (9. p.)
ebrary, Inc, et al. The Eastern San Juan Mountains: Their Geology, Ecology, and Human History. University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory, 2011.
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