NARL BAR Index by Quad (1948-49) scanned for the Barrow Area
Information Database (BAID), North Slope, Alaska

This disk contains scanned copies of a paper map indexes of flight
lines and approximate coverage for individual air photo frames from 
air photo missions conducted by the Navy Arctic Research Laboratory
(NARL) during the late 1940's and early 1950's covering Alaska's 
North Slope.  These missions are commonly referred to as the NARL BAR 
missions.  The indexes were drafted over 1:250000 scale USGS quads. 
Each quad has been scanned and georeferenced by the University of
Texas at El Paso System Ecology Lab for use in the Barrow Area 
Information Database (BAID).

See the individual files metadata for more information.  
For more information on BAID see