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This map was created to allow the comparison between the distribution of historical and current vegetation/land cover types in oregon.
Description
This is a map of historical ("presettlement") vegetation for the state of Oregon, created with Arcview 3.2 by merging digital data from different sources: H. J. Andrews, General Land Office (GLO), Soil Survey Geographic (SSURGO), BLM, Oregon Gap analysis. The H. J. Andrews map forms the background into which more detailed coverages were incorporated. The data consist of an ArcView shapefile. Scale varies throughout the coverage, depending on the source of the data; the overall scale is 1:100,000. |