Barrell Canyon and Davidson Canyon Stream Investigations
Client: Hudbay Minerals (Rosemont Copper Company)
Location: Pima County, Arizona
44,000+ square feet of survey
7 monitoring sites
Barrel Canyon and Davidson Canyon are ephemeral regional watercourses in Pima County that are subject to intermittent surfacewater flows and flashy runoff events. Riley was contracted to conduct baseline surveys of various locations to characterize vegetative and geomorphologicalconditions (i.e., vegetation strata sampling, photographic record, sediment gradation analyses, LIDAR surveys) prior to the proposed construction of the Rosemont mine.The baseline conditions were assessed on an annual basis to determine if there were any naturally occurring patternswhich may be impacted by the mine.