normal water supply
121Lake Tahoe — Tahoe redirects here. For other uses, see Tahoe (disambiguation). Lake Tahoe Lake Tahoe from the east shore (in Nevada) Location California and Nevada,USA …
122Fire hydrant — in Charlottesville, Virginia, USA A fire hydrant (also known colloquially as a fire plug in the United States or as a johnny pump in New York City, because the firemen of the late 19th century were called Johnnies[ …
123Pumping station — Pumping stations are facilities including pumps and equipment for pumping fluids from one place to another. They are used for a variety of infrastructure systems that many people take for granted, such as the supply of water to canals, the… …
124List of California Historical Landmarks — This is a list of California Historical Landmarks. The official list may be seen [http://ohp.parks.ca.gov/listed resources/?view=all here] . NOTOC · =Alameda County= For more details, please see http://ohp.parks.ca.gov/default.asp?page id=21388.… …
125Control of the National Grid (UK) — The National Grid (UK) is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations to ensure that electricity generated anywhere in Great Britain can be used to satisfy demand… …
126Great Depression — This article is about the severe worldwide economic downturn in the 1930s. For other uses, see The Great Depression (disambiguation) …
127agriculture, origins of — Introduction the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …
128Health care system — A health care system is the organization of people, institutions, and resources to deliver health care services to meet the health needs of target populations. There is a wide variety of health care systems around the world, with as many… …
