Vintage 1947 USDA Soil Conservation Service publication titled “Handbook of Channel Design for Soil and Water Conservation.” Prepared in cooperation with the Stillwater Outdoor Hydraulic Laboratory, Division of Drainage and Water Control.

This is a mid-century agricultural engineering manual focused on hydraulic channel design, soil conservation practices, and water management.

Content includes:

* Channel design principles for soil & water conservation
* Hydraulic calculations and formulas
* Technical charts, graphs, and diagrams
* Cross-section illustrations and slope calculations
* Practical guidance used in field and engineering applications

Physical Details:

* Approx. size: ~8.5” x 11”
* Softcover booklet
* Staple-bound
* Marked on cover with previous owner name (“A.D.------)

Condition:

* Good vintage condition with expected age wear
* Light edge wear, toning, and handling marks
* Staples intact, binding secure
* Pages clean and readable