Geophysical Data near Quitobaquito Spring in Organ Pipe Cactus National Monument, AZ, 2021-2024

Multiple surface geophysical methods were used to characterize the hydrogeology and potential groundwater flow pathways for spring discharge near Quitobaquito Spring, located in Organ Pipe Cactus National Monument, AZ. The direct-current resistivity method was used with an electrical resistivity tomography (ERT) survey along six line-locations to determine groundwater elevation surrounding the spring and to characterize potential faults or fractures that would act as conduits for flow. The transient electromagnetic (TEM) method was used at two locations northwest of the Quitobaquito spring at the site of historic groundwater discharge near Williams Spring. Gravity measurements were made at 113 locations surrounding the spring in order to determine the thickness of basin-fill deposits and isostatic residual gravity value that could be used to inform depth to bedrock estimates. 
A shapefile of the point locations of all data collected is included on the main summary tab. The data is not included in the shapefile, just a summary of all point locations.