Northern Great Plains Land Use

1920 - 2000

This project is part of the Great Plains Population and Environment Project and Andrew Dunlop’s Ph.D. dissertation research. To compare changing agricultural land use on either side of the Canada-U.S. border during the 20th century, Dunlop collected a sequence of aerial photos from the archives, some dating as early as the 1920s. Bringing the land cover information revealed by these photos into a historical GIS allowed him to track evolving land use patterns across 80 years at sample sites in Montana, North Dakota, Alberta, and Saskatchewan.

Scanned glacier map from northern Canada.
Northern Great Plains Study Area near Fort Benton, Montana
Sequence of land use maps for study site near Fort Benton, Montana
Photo of land use study site near Fort Benton, Montana.
Land use sequence for study site in southern Alberta