1917-1952 changes were indicated as they occurred in color coding on 200 plan size folded maps on file at Dept.'s Design Section.

As the dominant creatures on the planet, humans are nonetheless highly reliant on animals for many things. The extent of humans¿ use of animals in food, research, clothing, entertainment, sport and companionship is immeasurable. This book features a range of information about the wellbeing and protection of animals, much of which is produced by animal welfare advocacy groups. The book contains three chapters: Animal Welfare and Rights; Animal Use in Research and Testing; and Animal Use and Exploitation. Featured issues include human attitudes and opinions about animals, animal-based scientific and medical experimentation, animals in product testing, factory farming, treatment of pets, the use of animals in sport and entertainment, and the beliefs and practices of vegans and vegetarians. Do we treat animals humanely enough?Chapter 1: Animal Welfare and RightsChapter 2: Animals in Research and TestingChapter 3: Animal Use and ExploitationGlossary; Fast facts; Web links; Index