Letter from the Secretary of Agriculture, transmitting, in response to Senate resolution of December 13, 1890, a report on the progress of irrigation investigation under the Deficiency Appropriation Act of 1890

Sketch illustrations at PDF pp. 111, 121, 149. Map of Upper Snake River Basin in South Dakota on PDF pp. 94.

Johnson Annotation

Investigation of Irrigation. [2818] Irrigation systems of the Indians.