Hetch Hetchy Environmental Debates. Between 1908 and 1913, America witnessed its first national debate over environmental preservation when the growing city of San Francisco, California proposed building a dam in the Hetch Hetchy Valley to provide a steady water supply. The Hetch Hetchy Valley was within Yosemite National Park, however, and protected by the federal government.
Most puppies need at least three DAPP vaccines, two Bordetella vaccines, and one rabies vaccine during these visits to be protected for a full year. The next vaccine visit should occur approximately one year after the last puppy shots were given.ther vaccines are available but should only be considered under special circumstances. Often, protection against several diseases is offered in a single inoculation. For example, a DAPP vaccine protects against distemper, adenovirus, parvovirus and parainfluenza.
1 Puppies need to get a series of vaccinations which is spread out over three months. 2  The puppies will be given at least four shots of DHLPP vaccine, Corona, worming and rabies shots for a total cost of $200 to $205.HLPP, more commonly known as the distemper vaccination, is a type of vaccine that prevents several types of canine diseases. It is considered to be one of the most important shots a dog should get even though this is not required by law.