Houston generally receives ample rainfall averaging about 49.8 in (1,260 mm) annually based on records between 1981 and 2010 Many parts of the city have a high risk of localized flooding due to flat topography ubiquitous low-permeability clay-silt prairie soils and inadequate infrastructure. During the mid-2010s Greater Houston experienced consecutive major flood events in 2015 ("Memorial Day") 2016 ("Tax Day") and 2017 (Hurricane Harvey). Overall there have been more casualties and property loss from floods in Houston than in any other locality in the United States the majority of rainfall occurs between April and October (the wet season of Southeast Texas) when the moisture from the Gulf of Mexico evaporates extensively over the city, Two freshwater aquifers the Chicot and Evangeline underlie the Greater Houston area These aquifers are composed mostly of sand and clay the Chicot is located above the Evangeline and a confining layer separates them from the Jasper aquifer below which is mostly saltwater a majority of drinking water supply wells in Houston are drilled to depths between 1,000 feet (300 m) and 2,000 feet (610 m), Most major belligerents attempted to solve the problems of complexity and security involved in using large codebooks for cryptography by designing ciphering machines the most well known being the German Enigma machine. Development of SIGINT (signals intelligence) and cryptanalysis enabled the countering process of decryption Notable examples were the Allied decryption of Japanese naval codes and British Ultra a pioneering method for decoding Enigma benefiting from information given to the United Kingdom by the Polish Cipher Bureau which had been decoding early versions of Enigma before the war. Another aspect of military intelligence was the use of deception which the Allies used to great effect such as in operations Mincemeat and Bodyguard. By topic The Harris County Sheriff's Office operates jail facilities and is the primary provider of law enforcement services to the unincorporated areas of the county the sheriff is the conservator of the peace in the county the Harris County jail facilities are in northern downtown on the north side of the Buffalo Bayou the 1200 Jail the 1307 Jail (originally a TDCJ facility leased by the county) and the 701 Jail (formed from existing warehouse storage space) are on the same site, Eastern FrontManhattan Project, Harris County ESD #19 Fire Sheldon VFD .03 Harris County ESD #15 Fire Tomball FD 1% .05; . . Post-war housing constructed throughout Houston reflects many architectural styles Although most houses built for the "baby boomers" reflect designs that had been around for decades a number of homes were designed in the mid-century modern style featuring flat or butterfly roofs open floor plans walls of glass atriums and patios a good example of this style is the William L Thaxton Jr House located in Bunker Hill Village which was designed by Frank Lloyd Wright and built in 1954, 4.5 War breaks out in the Pacific (1941), 7 See also Spindletop the first major oil gusher.
. Religious affiliation in Texas (2014), The Texas Ignition Interlock Law went into effect during September 2015 This law requires judges to order ignition interlocks for all drunk-drivers with a Blood Alcohol Level of 0.15% or greater. Since the passing of this law the drunk driving related death rate in Texas has decreased by 8.5%.
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