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Sample points showing structure (building) counts within 80-acre surrounding circles for the four-county Portland/Vancouver metropolitan area, for the years 1975, 1985, 1995, and 2005.

DB Code: 
UL001
Abstract: 

The data are aerial photo-interpreted structure (or building) counts gathered of the USDA Forest Service, Forest Inventory and Analysis Program, Portland, OR.

For details see: Lettman, G.J. 2009. Forests, Farms, and People: Land Use Change on Non-federal land in Oregon 1974-2005. Salem, OR: Oregon Department of Forestry. 74 p.

Study date: 
January 01, 1975 to December 31, 2005
Full Data page link: 
https://andlter.forestry.oregonstate.edu/data/abstract.aspx?dbcode=UL001
Researchers: 

Jeffrey D. Kline

Purpose: 

The data are used to estimate econometric models of development in the four-county region surrounding the Portland/Vancouver metropolitan area.