Puzzle Directions: Click on a puzzle piece and drag it where you want it. When you connect two pieces correctly, they will join together. This is an extra hard double-sided puzzle. The same map is printed on both sides the pieces. Some of the pieces are turned over to the wrong side. To flip a piece over, hold down the "T" key and click on the puzzle piece. Mix up the pieces again. View finished map in pop-up window. |
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Title: Great Circle Chart : United States
Projection: Gnomonic,
Source Bounding Coordinates:
W: E: N: S: |
| | Description: 1941 map of the United States, showing political boundaries including national and state borders. Depiction of compass roses indicate major cities where possible flight paths between two points could be plotted. A straight line drawn between any two points signifies the measurement of the shortest distance betweent them. The scale is 1:5094000. Key to NOAA maps.
Source: United States Coast and Geodetic Survey, (Washington D.C., DC: United States Coast and Geodetic Survey, 1941)
Map Credit: Courtesy of the United States National Oceanic and Atmospheric Administration |
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