[Report on irrigation]

Part of plates, maps and tables are folded.

Under the direction of the U.S. Dept. of Agriculture. Office of Irrigation Inquiry.

Title on spine of pt. IV: Final report of the artisian and underflow investigation.

pt. I. A report on irrigation and the cultivation of the soil thereby, with physical data, conditions, and progress within the United States for 1891, accompanied by maps, illustrations, and papers. By Richard J. Hinton.--pt. II. Artesian and underflow investigation. Final report. By Edwin S. Nettleton.--pt. III. Final geological reports of the artesian and underflow investigation between the ninety-seventh meridian of longitude and the foothills of the Rocky Mountains. By Robert Hay.--pt. IV. Final report on the mid-plains division of the artesian and underflow investigation between the ninety-seventh meridian of longitude west of Greenwich and the foothills of the Rocky Mountains, by J.W. Gregory ... and A special report on certain artesian conditions in the state of South Dakota, by Fred F.B. Coffin.