Why were cows allowed to continue grazing in the SPRNCA for the 30 years between the preserves creation and the 2018 resource management planning process when its founders had understood there to be an implied grazing moratorium? This episode seeks to answer exactly that question. 

BLM: the Bureau of Land Management 

MOU: Memorandum of Understanding 

SPRNCA: San Pedro Riparian National Conservation Area 

NCA: National Conservation Area (shorthand for the SPRNCA) 

RMP: Resource Management Plan 

FLPMA: the Federal Land Policy and Management Act of 1976