1. Map showing streams and irrigation ditches in the water-sheds of Hat Creek, White River, and upper Creator: Nebraska. State Engineer Published / Created: 1900 Call Number: 824gce H28 1900 Container / Volume: BRBL_00572 Image Count: 1 Resource Type: Maps, Atlases & Globes Description: Also shows proposed and completed canals and railroads. and Relief shown by hachures. Publisher: State Engineer's Office?], Subject (Geographic): Niobrara River Watershed (Wyo. and Neb.)--Maps and White River Watershed (Neb. and S.D.)--Maps Subject (Name): McCoskey, A. B Subject (Topic): Irrigation--Nebraska--Maps Found in: Beinecke Rare Book and Manuscript Library > Map showing streams and irrigation ditches in the water-sheds of Hat Creek, White River, and upper Niobrara in Nebraska / State Engineer's Office ; A.B. McCoskey.