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Summary of Groundwater Science for Moab-Spanish Valley

December 31, 2020
by John Weisheit

STATISTICS OF THE WATERSHED FOR MOAB-SPANISH VALLEY

  • 24 million years ago - igneous intrusive plutons begin to create the La Sal Mountains.
  • 1 million years ago - The collapse of a salt anticline forms Moab-Spanish Valley.
  • 10,000 years ago - Humans begin to utilize this watershed.
  • 12,646 feet - Highest elevation of this watershed at Mt. Mellenthin.
  • 4,000 feet - Lowest elevation on this watershed at the confluence of Mill Creek and the Colorado River.
  • 144 square miles - Total square miles in this watershed; Pack Creek, Mill Creek, and Grandstaff Canyon.
  • 18 square miles - Total square miles of Moab-Spanisn Valley.
  • 360 feet - Maximum thickness of alluvium in Moab-Spanish Valley.
  • 8 inches - Annual average precipitation at City of Moab.
  • 15 inches - Annual average precipitation for Moab-Spanish Valley.
  • 35 inches - Annual average precipitation on the peaks of the La Sal Mountains (not precisely known).

HYDROGEOLOGY REPORTS
Sumison Report
Eychaner Report
Blanchard Report
Eisinger Report
Lowe Report

GROUNDWATER AVAILIBILITY REPORTS
Moab-Spanish Valley

MATHESON WETLAND AND PRESERVE
Public Presentations about Matheson Wetland Preserve

REGIONAL HYDROGEOLOGY REPORTS

REPORTS OF SPECIAL INTEREST REPORT

CASTLE VALLEY REPORTS

HYDROLOGY


MAPS

OTHER GLEN CANYON GROUP HYDROGEOLOGY REPORTS

SOILS

 

GEOLOGIC HAZARDS

HELPFUL WEBSITES

BIBLIOGRAPHIES


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