Author: Knowlton, F.H., 1916.:
Title: Flora of the Fruitland and Kirtland Formations. (Contributions to the geology and paleontology of San Juan County, New Mexico, 4.) [U.S. Geol. Surv. Prof. Pap., 98-S.]
Description: Washington. 4to. Pp. [ii],327-353, 54 photos on 8 plates. Orig. wrappers. - Faint waterstain in one blank corner. - Late Cretaceous.

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