Trees of South Dakota
By: [by Paul E. Collins and L. L. Helwig].
Contributors: Helwig, L. L. joint author.
Series: Circular - Cooperative Extension Service, South Dakota State University ; 566
Publisher: Cooperative Extension Service, South Dakota State University
Published: 1979
Place of publication: Brookings
Language: eng
Number of pages: 51
Subjects: Trees -- South Dakota -- Identification.
Notes: Cover title.