Books by A. R. Robinson:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Robinson, A. R. (August R.), 1921-: Measuring seepage from irrigation channels (U.S. Dept. of Agriculture, 1959), also by Carl Rohwer (page images at HathiTrust)
Find more by A. R. Robinson at your library, or elsewhere.