[3] Hale was an Irish immigrant who became one of the largest land owners in the west, thanks to marrying Catarina Castro, the daughter of a large Spanish grant holder in Mexico in 1859.
[4] He bought 2,000 acres of Juana Briones's original ranch and was one of Los Altos' earliest large land owners.
[8] The Juan Prado Mesa Preserve in Los Altos Hills, along Hale Creek below Neary Quarry, was created in 1970 and named for the original holder of the Rancho San Antonio land grant.
[9] The preserve's Mary Stutz Path that follows the creek can be accessed at the top from Stonebrook Road and at the bottom from Dawson Drive.
[1] Hale Creek is part of the Santa Clara Valley Water District's (SCVWD) Permanente Creek Flood Protection Project which aims to install overflow basins along Hale and Permanente Creeks to catch one hundred year flood waters in order to protect 1,664 parcels (1,378 homes, 160 businesses and 4 schools/institutions) downstream of El Camino Real (saving potential damages in excess of $47.9 million) and prevent flooding of Middlefield Road and Central Expressway, by 12/30/2016 and also to identify opportunities for environmental enhancement such as stream restoration, as well as trails, parks, and open space.