FIG. 2 in Reassessment Of A Historical Collection Of Sauropod Dinosaurs From The Northern Morrison Formation Of Wyoming, With Implications For Sauropod Biogeography

FIG. 2. Sketch of the location of the two quarries at the Red Fork of the Powder River (RFPR) showing that both lie in the same bone-bearing layer. Drawn by W. Utterback in 1903 and sent to J.B. Hatcher on June 30, 1903. No other historic drawings or charts relating to these RFPR quarries could be found at CM.