Vegetation of the northern Great Plains
Barker, William T.
Vegetation of the northern Great Plains - [Fargo, N. D.] : [North Dakota State University], 1989 - 26 p. - Research report ; 111 . - Research report ; 111 .
32-64
68916
Pastizales--E.U.A.
Vegetation of the northern Great Plains - [Fargo, N. D.] : [North Dakota State University], 1989 - 26 p. - Research report ; 111 . - Research report ; 111 .
32-64
68916
Pastizales--E.U.A.