Detrital zircon U-Pb provenance of the Colorado River: A 5 m.y. record of incision into cover strata overlying the Colorado Plateau and adjacent regions - Kimbrough, David; Grove, Marty; Gehrels, George; Dorsey, Rebecca; Howard, Keith; Lovera, Oscar; Aslan, Andres; House, Kyle; Pearthree, Philip (Geosphere, 2015)