Initial Point of the Gila and Salt River Base Line and Meridian - Avondale, AZ - U.S. National Register of Historic Places on Waymarking.com

Long Description:
Located at the top of Monument Hill, this benchmark is the point of reference that most of Arizona was surveyed from. From this point, east and west is the Gila and Salt River Baseline; and north and south is the Gila and Salt River Meridian. This is the baseline and principal meridian for the state. The monument is located on Phoenix International Raceway property. It can be accessed with only with permission by PIR, but can also be visited during race events when hill seating is available. A plaque identifies this as part of the National Register of Historic Places. The benchmark is labled T1N R1W R1E T1S 2006, and is set in concrete with colored tile showing the baseline and meridian.

Street address: South Avondale Boulevard Avondale, AZ USA 85323 County / Borough / Parish: Maricopa Year listed: 2002 Historic (Areas of) Significance: Point of reference for land survey of Arizona Periods of significance: 1850 - 1874 Historic function: Survey marker Current function: Hill seating for race events Privately owned?: yes Primary Web Site: [Web Link] Secondary Website 1: [Web Link] Season start / Season finish: Not listed Hours of operation: Not listed Secondary Website 2: Not listed National Historic Landmark Link: Not listed

Visit Instructions:
Please give the date and brief account of your visit. Include any additional observations or information that you may have, particularly about the current condition of the site. Additional photos are highly encouraged, but not mandatory.

Recent Visits/Logs:

Date Logged Log User Rating   2/27/2013 blackhorse221 visited it 5/28/2012 AZTech visited it 12/21/2010 dronnord visited it 4/11/2008 desert georangers visited it 4/27/2007 macdod visited it

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