A Study to Determine what Should be Taught in Water Supply and Sewage Disposal in High School Departments of Vocational Agriculture

Front Cover
Cornell Univ., 1941 - Sewage disposal - 60 pages

From inside the book

Contents

Discription of the Area 24
4
Explanation of Letter sent to Farmers 56
7
Hap showing Position of Delaware County
10

4 other sections not shown

Common terms and phrases

Bibliographic information