Oregon Topo Maps

Coverage Area

The image below shows the current coverage area for the Oregon Topo map series, represented by the light yellow rectangles. Coverage is broken up into quads corresponding to the USGS 1:24K map series.

Coverage map

Map data sources

The map data is compiled from a variety of sources, including:

City of Portland Corporate GIS
Metro Data Resource Center
National Hydrography Dataset, medium or better resolution
USGS Digital Line Graphs, 1:24K and 1:100K scale
2005 2nd Edition TIGER/Line, counties with realigned street features only

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