- Choose one of the other quadrangle images in the "QuadMaps_cropped" folder
- Using Preview or Photoshop to zoom into the SW and NE corners to find the latitude/longitude values embedded in image
- Insert those values for swBound and nwBound
- In converting to decimal degrees, remember that 15'=.25; 30'=.50; 45'=.75
- Center the map in the middle of the quadrangle, halfway between SW and NE corners
- Change the size of the map and choose an appropriate scale