This is the James Black farm in Lamoni, Iowa on 4/16/36. A closer view of the same checks as in the gully shown in Mo-12. The height is 2.5', The width is 8 feet. The rope and measuring stick show the changed contour of the bottom of the gully…
The highway was constructed in 1929, same time as· the
picture in Ia-985 . The back slope was 2 to 1, however.
The same seeding and treatment were used in both places .
Note the lack of erosion and good growth of vegetation
as compared wiith…