Brothers John and Frank Craighead knew there was a problem when they saw fewer and fewer grizzly bears at Yellowstone National Park. But how did grizzlies-with a population size once as big as 100,000-wind up on the endangered species list?.
year: 2022
call number/section: 599.78, 639.97
subjects: craighead, john j, (john johnson), 1916-2016, juvenile literature, craighead, frank c., jr, (frank cooper), 1916-2001, conservationists, united states, juvenile literature, naturalists, grizzly bear, conservation, yellowstone national park, endangered species, graphic novels