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American Museum of Natural History
American Museum of Natural History: Make Your Own Weather Station
Students can plan and carry out investigations of local weather patterns by building their own weather stations to collect observations of various weather conditions: rainfall, wind direction, and air pressure.
Smithsonian Institution
National Museum of Natural History: American Mammals: Washington Ground Squirrel
Since the massive conversion of land in the Columbia Basin to agriculture, the Washington Ground Squirrel has been in decline. During the 1980s, the number of localities where they were known to occur dropped from 179 to 35, all small in...