USGS · 5221510
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L.D. Mech. 1985. How delicate is the balance of nature?. https://pubs.usgs.gov/publication/5221510
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About 110 wolves in 13 packs inhabit Denali National Park. Pack sizes vary from 2 to 15 in winter, and minimum pack territory sizes range from 250 to 805 square miles.
Jim Jam Ridge winds for several hundred feet a long a spectacular section of the High Sierra, near the heart of northern California's Mother Lode country. According to local historians, its name dates back to a night in the late 1800s when a drunk prospector rolled into a campfire, exploding a handful of rifle shells in his pocket. The fatal incident left his two partners with a severe case of the "jim jams" a common term in those days for the "shakes" and that's how the name took hold.