סן פדרו (נהר)
הערות שוליים

↑  Tony Davis (2011-06-01). "Ruling faults analysis of pumping, San Pedro". Arizona Star.
1 2  "San Pedro River, Arizona". The Nature Conservancy.
↑  "SURVEY OF THE UPPER SAN PEDRO VALLEY ARIZONA AND SONORA, MEXICO". Department of Anthropology, University of Arizona. אורכב מ-המקור ב-2016-03-03. נבדק ב-2016-09-30.
↑  "Aravaipa Canyon Wilderness Prehistory and History". U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT. אורכב מ-המקור ב-2017-01-27. נבדק ב-2016-09-30.
↑  Seymour, Deni (Summer 2011). "1762 On the San Pedro: Reevaluating Sobaípuri-O'odham Abandonment and New Apache Raiding Corridors". The Journal of Arizona History. 52 (2): 169–188.
↑  David J. Weber (2005). The Taos Trappers: The Fur Trade in the Far Southwest, 1540-1846. Norman, Oklahoma: University of Oklahoma Press. p. 96. ISBN 978-0-8061-1702-7.
↑  Batman, Richard (1984). American Ecclesiastes. Harcourt Brace Jovanovich.
↑  Roberts, B.H. (1919). The Mormon Battalion: Its History and Achievements. Salt Lake City: Deseret News.
↑  Sue Kartchner (24 פבר' 2009). "Popular costume ball set Saturday". San Pedro Valley News Sun. {{cite news}}:  (עזרה)
↑  J. A. Allen (1895). "On a Collection of Mammals from Arizona and Mexico, Made by Mr. W. W. Price" (PDF). Bulletin of the American Museum of Natural History.
1 2 3  Engineers of the San Pedro River
↑  Edgar A. Mearns (1897). "Preliminary Diagnosis of the New Mammals of the Genera Sciurus, Castor, Neotoma, and Sigmodon, from the Mexican Border of the United States" (PDF). Proceedings U.S. National Museum.
↑  Scroch, Matt. "Sky Islands of North America: A globally unique and threatened inland archipelago". Terrain.
↑  "San Pedro River Ecology". San Pedro River Valley Organization.
↑  "The San Pedro Riparian National Conservation Area". US Dept. of the Interior. אורכב מ-המקור ב-2015-01-19. נבדק ב-2016-09-30.
↑  Ciénegas Rare Oases in the Desert
↑  Susan K. Skagen, Rob Hazlewood, and Michael L. Scott (2005). "The Importance and Future Condition of Western Riparian Ecosystems as Migratory Bird Habitat" (PDF). USDA Forest Service Gen. Tech. Rep. PSW-GTR-191. pp. 525–527.{{cite web}}:  תחזוקה - ציטוט: שימוש בפרמטר authors (link)
↑  Glenn Johnson and Dr. Charles van Riper III (2007). "Influence of Beaver Activity, Vegetation Structure, and Surface Water on Riparian Bird Communities along the Upper San Pedro River, Arizona" (PDF). School of Natural Resources, University of Arizona, USGS Sonoran Desert Research Station.{{cite web}}:  תחזוקה - ציטוט: שימוש בפרמטר authors (link)
↑  MIke Foster (באוגוסט 2011). "Reintroduction of the Beaver to the San Pedro River of Southeastern Arizona". {{cite web}}:  (עזרה)
↑  Johnson, Glenn E., and van Riper III, Charles (2014). "Effects of reintroduced beaver (Castor canadensis) on riparian bird community structure along the upper San Pedro River, southeastern Arizona and northern Sonora, Mexico" (PDF). U.S. Geological Survey.{{cite web}}:  תחזוקה - ציטוט: שימוש בפרמטר authors (link)
↑  Huckleberry G, Lite SJ, Katz GL, Pearthree P (2009). Fluvial Geomorphology in Ecology and Conservation of the San Pedro River. Tucson,Arizona: University of Arizona Press.{{cite book}}:  תחזוקה - ציטוט: שימוש בפרמטר authors (link)
↑  Ruling faults analysis of pumping, San Pedro
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