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Imagery data for the Vegetation Mapping Inventory Project of Fort Union National Monument

Published by National Park Service | Department of the Interior | Metadata Last Checked: June 25, 2025 | Last Modified: 1999-01-01
This reference contains the imagery data used in the completion of the baseline vegetation inventory project for the NPS park unit. Orthophotos, raw imagery, and scanned aerial photos are common files held here. The vegetation map was developed through aerial photo interpretation of available black and white digital ortho-photographs from 1984 and 1999. The photos were compiled into a GIS with a standard set of ancillary layers provided by the park service (boundaries, roads, facilities, etc.). Using the vegetation classification as the foundation for the map legend, map units were defined with respect to interpretable patterns in the photography, and with an eye to those patterns that would be most important in natural and cultural resources management within the park.

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