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Open-file Report - 607
Sunshine Valley Hydrogeology Study

Geoffrey Rawling and Shari Kelley

2020
(last revised: 18-February-2020)

cover

The regional hydrologic importance of the Sunshine Valley of northern Taos County, New Mexico, is belied by its remote location and sparse population. This is due to the large increase in flow of the Rio Grande in the reach adjacent to Sunshine Valley, and the transfer of 1,752 acre-feet per year of water rights downstream from the valley as part of the Aamodt Settlement Agreement. There has been no detailed hydrologic investigation of the region since the 1950s. This study integrates new physical and chemical hydrologic data, field geophysical investigations, and previous work and historical data to elucidate the hydrologic regime in the valley and document changes to the groundwater system since the 1950s. A hydrologic conceptual model and water budget for the aquifer system were prepared.

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Open-file Reports are available as free downloads or on CD/DVD-ROM (see below). Note that these reports are subject to frequent revisions and may be unavailable when being modified. The Last Modified date listed here reflects when a file was last saved and may not be the date this report was last revised.

File Name Size Last Modified
OFR-607_complete.zip 36.74 MB 02/02/2021 01:35:28 PM
OFR-607_sunshine_valley.pdf 37.50 MB 02/02/2021 01:29:37 PM
Appendices:
Appendix-A_water_level_data.xlsx 63 KB 10/15/2019 02:05:17 PM
Appendix-B_chemistry-data.xlsx 116 KB 04/04/2019 11:38:06 AM
Appendix-C_streamflow_data.xlsx 42 KB 02/06/2019 02:41:48 PM
Appendix-D_Cl_Br_t-test_results.pdf 91 KB 02/02/2021 01:35:19 PM
Appendix_E_conversion_factors.xlsx 11 KB 05/28/2019 02:39:12 PM
GoogleEarthKMZFile:
Upper_Rio_Grande_Water_Table_Elevation_as_Google_Earth_KMZ_File.kmz 784 KB 09/19/2024 09:55:19 AM

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