Keywords: lincoln park zoo chicago illinois lincoln park zoo, lincolnparkzoo historic bear animalia chordata mammalia carnivora caniformia ursidae mammal animal polar bear polarbear ursus maritimus ursusmaritimus ursus cage enclosure blackandwhite monochrome black and white Visitors looking at Polar bear (Ursus maritimus) walking along the floor of his cage at the Lincoln Park Zoo, viewed from above. 1900. Original size and material: 4x5 inch glass negative Digital Identifier: Z80008 Part of the Illinois Urban Landscapes Project: www.fieldmuseum.org/urbanlandscapes/ Visitors looking at Polar bear (Ursus maritimus) walking along the floor of his cage at the Lincoln Park Zoo, viewed from above. 1900. Original size and material: 4x5 inch glass negative Digital Identifier: Z80008 Part of the Illinois Urban Landscapes Project: www.fieldmuseum.org/urbanlandscapes/ |