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