What Did We Do Before GPS?
Sat., Aug. 6, 3-5 p.m. 2011
Jim Malusa, a botanist from the UA School of Natural Resources, makes plant maps of Arizona. He discusses and demonstrates the evolution of map-makers' tools, from glass barometers to touch-screen camera GPS, from 3 to 5 p.m., Saturday, Aug. 6. Free. Call 594-5305, ext. 3, for more information.