Alan Mays' favorite articles

I know lots of my friends and contacts also like to wander around the back roads of the American west, and a couple of years ago I found a resource that may be of interest. The US Geological Survey has put all(!) of their topographic maps online, available for free download as .pdf files. Here's the main URL: store.usgs.gov/b2c_usgs/b2c/start/%28xcm=r3standardpitrex_prd%29/.do Click on the "map locater" in the upper left corner. They've included, not just all versions of the current map s…