On the nature of ponds, or How should a well-rounded recreational pond be built
By: by H.P.K. Agersborg
Contributors: United States. National Park Service
Series: E.C.W. technical circular -- no. 2
Publisher: U.S. Dept. of Interior, National Park Service
Published: 1936
Place of publication: Washington, D.C
Language: eng
Subjects: Ponds; Recreational use
Other titles: How should a well-rounded recreational pond be built.