Maintaining subsurface drains
Series: Leaflet / Soil Conservation, U.S. Dept. of Agriculture -- no. 557; Leaflet (United States. Dept. of Agriculture) -- no. 557.
Publisher: Soil Conservation Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Washington, D.C
Language: eng
Subjects: Subsurface drainage
Notes: Cover title.

"This leaflet supersedes Leaflet no. 347, Keep your tile drains working"--P. [8].

"Issued October 1972"--P. [8].