page_title: Avondale, Arizona
section_title: Gila and Salt River Meridan
hierarchical_section_title: Avondale, Arizona / Gila and Salt River Meridan
caption_attribution_description: English: The initial point of the Gila and Salt River Meridan. Period of significance: 1850-1874.The surveying marker of the Gila and Salt River Meridan is located on Monument Mountain. Ever since 1851, this has been the center point used by the state to measure the land in Arizona. The federal government recognized this point for measuring the boundary between the United States and Mexico after the Mexican-American War ended. The first survey conducted in 1867, involved the first 36 miles of Arizona. Up until 1874, this was the epicenter of all surveying in Arizona for property deeds. Listed in the National Register of Historic Places on October 15, 2002, reference #02001137. The summit of Monument Hill is located at 115th Ave. and Baseline Road in Avondale, Az.Did You Know: Monument Hill Is An Important Arizona Spot
context_page_description: Avondale is a city in Maricopa County, Arizona, United States, adjacent to Phoenix. According to the 2019 U.S. Census estimates, the population of the city is 87,931.
  Avondale, incorporated in 1946, experienced rapid residential and commercial growth in the years since 1980. Once primarily a sparsely populated farming community with many acres of alfalfa and cotton fields, Avondale has transformed into a major bedroom suburb for Phoenix. Several major residential subdivisions and shopping centers have recently been built on former farmland, many adjacent to Interstate 10.
  Phoenix Children's Hospital has a satellite facility, at the corner of Avondale Boulevard and McDowell Road.
context_section_description: The surveying marker of the Gila and Salt River Meridan is located on Monument Hill. Ever since 1851, this has been the center point used by the state to measure the land in Arizona. The federal government recognized this point for measuring the boundary between the United States and Mexico after the Mexican–American War ended. The first survey conducted in 1867, involved the first 36 miles (58 km) of Arizona. Up until 1874, this was the epicenter of all surveying in Arizona for property deeds. It was listed in the National Register of Historic Places on October 15, 2002, Reference #02001137. Monument Hill is located at 115th Avenue and Baseline Road in Avondale.
caption: The initial point of the Gila and Salt River Meridan.
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