by U.S. Dept. of the Interior, Bureau of Land Management, Arizona State Office in [Phoenix, Ariz.] .
Written in English
|Contributions||United States. Bureau of Land Management. Arizona State Office|
|The Physical Object|
|Pagination||iv, 110 p.|
|Number of Pages||110|
International Groundwaters: The Upper San Pedro River Basin Case. ABSTRACT The San Pedro River is a stream that flows north from Cananea, Sonora, Mexico, into the United States. It drains into the Gila River, a major tributary of the Colorado River. Its importance stems from its location in the middle of two of the largest deserts of North America. Prepared in cooperation with the Upper San Pedro Partnership and Bureau of Land Management U.S. Geological Survey Scientific Investigations Report version Ground-Water Flow Model of the Sierra Vista Subwatershed and Sonoran Portions of the Upper San Pedro Basin, Southeastern Arizona, United States, and Northern Sonora, Mexico. the truth about the san pedro river, by john d. rose. without question the san pedro river had a proven, documented lack of surface flow in the 19th century. without question, the quantity of cottonwood trees on the san pedro river today are far more abundant than what existed over a century ago. The upper San Pedro River basin of the United States and Mexico: a resource directory and an overview of natural resource issues confronting decision-makers and natural resource managers Item Preview.
Full text of "The upper San Pedro River basin of the United States and Mexico: a resource directory and an overview of natural resource issues confronting decision-makers . Abstract. The San Pedro River is a transboundary river that originates in Sonora, Mexico, and flows north into Arizona in the United States. Previous studies using satellite imagery obtained for different years from through showed significant changes in Cited by: 2. The Upper San Pedro River Basin in Sonora and Arizona is the focus of a number of urgent, complex, interrelated, and controversial issues, including its international importance as bird habitat. ECOLOGY AND CONSERVATION OF THE SAN PEDRO RIVER n and Range Physiographic Province of the sourhwestern United States &.:e risen to elevations sufficienr to capture annual precipitation in excess of orthe upper San Pedro River basin. Mile Nish, Baird, and Maddock.
Although the Gila River flows entirely within the United States, the headwaters of two tributaries – the San Pedro and Santa Cruz Rivers – extend into Mexico. About 1, sq mi (4, km 2), or % of the Gila's 58,square-mile (, km 2) watershed, is in judybwolfman.com: Colorado River. A definition of the hydrologic system of the upper San Pedro basin was obtained by developing a numerical ground-water model to evaluate a conceptual model of the system. Information on hydraulic properties of the basin fill, recharge from bordering mountain ranges, discharge by evapotranspiration, and exchange of water between aquifer and stream was available from previous measurements or. The 4, square mile/6, square kilometer2 Upper San Pedro River Basin spans the international border between Arizona, U.S.A., and Sonora, Mexico. From its headwaters near the mining town of Cananea, Sonora, the San Pedro River flows north into the United States, passing near the towns of Sierra Vista, Tombstone, and Benson, Arizona. Upper San Pedro Basin, United States and Mexico 4. Extent and altitude of thick silt and clay interval in the basin fill, Upper San Pedro Basin, United States and Mexico. 4A, Top of thick silt and clay interval; 4B, Base of thick silt and clay.