In the Army, a "police call" is when you pick up garbage around your "AO" (area of operations, usually a barracks or motor pool). When I hiked Porcupine Canyon back in June (???), I found a big pile of trash -- mostly beer cans -- at the bottom of the canyon. I picked up what I could, but didn't have the pockets to carry it all. Today, trash bags in hand, I went back to police it up!
Blog: http://prestonm.com/porcupine-canyon-mogollon-rim-2/
Twitter: https://twitter.com/PrestonMcMurry
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"Get Outside!", Jason Farnham, YouTube Audio Library
Twitter, @PrestonMcMurry, Blog, PrestonM.com, Hiking, Arizona, Coconino County, Apache-Sitgreaves National Forest, Mogollon Rim, Porcupine Canyon, Porcupine Ridge, Dye Ridge, Garbage, Garbage Bag, Trash, Litter, Junk, Debris, Beer Cans, Beer Bottles