A Mancos resident is investigating the Indigenous history of the Dolores River in southwest Colorado. Amorina Lee-Martinez completed her PhD on water management around the Dolores River at the University of Colorado, Boulder. She’ll be speaking at the Dolores Public Library on Thursday. The talk will cover the history of Indigenous peoples in the Four Corners, and then turn to the Ute Mountain Ute Tribe and the origins of McPhee Reservoir. Lee-Martinez says the reservoir is a rare example of a tribal community negotiating for and successfully receiving their share of water rights in the Colorado River basin. The discussion is open to the public, and will start at 6 p.m.