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I came up with a process to get actual acreages vs map acres of steep slopes, but I am wondering what others do to correct for steep slopes and get actual acreage treated? For mine, I use a DEM to create a percent slope raster. After classifying the slope data, I use our treatment polygons to cut out the slope data so I know how many acres I have at a particular slope. Then I use a table found in a range management book that tells you what percentage to increase the acreage by per slope percent. It works well, I'm just wondering if there is a better or more efficient process I could be doing. Thank you, Carrie -- *“I have an existential map. It has ‘you are here’ written all over it.” —Steve Wright* ------------------------------------------------------------------------- This list (CTGIS-L) is an unmoderated discussion list for all CT GIS Users. To change subscription settings or unsubscribe, visit http://s.uconn.edu/ctgisL.