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North West United States Map
Last Updated: March 9th, 2009 2:03am
Map Coverage:
State: California, Idaho, Montana, Oregon, Washington
Price: Free
North West United States
Last Updated: March 8th, 2009 16:00pm
Map Boundary:
North: 49°
South: 41°
West: -125°
East: -109°
Country: United States
States: All of Idaho, Oregon, and Washington
Parts of California, Montana, Nevada, Utah, and Wyoming
Price: Free
Map Features:
Topographic Data
Street Data
* Roads - Interstates, highways, arterial roads, residential roads, limited unpaved roads
* Railroads
* High resolution water data - lakes, rivers, streams, and washes
* Federal Land Usage - Wilderness area, national parks, and military bases/ranges, native american reservations
* Borders - County and state boundary lines
* Elevation contours - 20ft intervals
* GNIS Points of Interest - summits, mines, falls, dams, cemeteries, towers, populated places, etc.
* 4 Grid Segments to the dergee - no segment larger than 6.7mb most less then 4mb in size
The img file names do have meaning.
Position 1 and 2 The block number. Blocks 4 degree by 4 degree parts I have divided the map in to.
Position 3 and 4 The Latitude of the Northwest corner of the square
Position 5, 6 and 7 The Longitude of the Northwest corner of the square
Position 8 A number 1 to 4 showing what quarter of the degree the img file map is of . 1 is the Northwest, 2 is the Northeast, 3 is the Southwest, and 4 is the Southeast,
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