Below are two images of the same location, 29 km (18 mi) NE of Columbia, Missouri,
centered on latitude 39N, longitude 92W.
First is an aerial photograph in which you can clearly see the land usage
according to the land survey system.
Next is a topographic map of the same region. Can you find the corresponding
features on the two images? Can you correlate the PLS boundary lines on the map with
the squares on the photo?
There you can locate any area within the US,by latitude/longitude or by street
address, see aerial photos and topographic maps, and change the scale to zoom in
or out. Try it and see if you can find your house!