Image: Signal Hill, 1926

Description: (1926)^ - Two men sit on a car parked next to an oil field full of derricks in Signal Hill. A sign reading, "Pacific Coast Welding" is visible at the roofline of the small structure behind the car. Historical Notes Alamitos #1 well is one of the world's most famous wells. This discovery well led to the development of one of the most productive oil fields in the world and helped to establish California as a major oil producing state. Because of this it is designated as a California Historical Landmark (No. 580).
Title: Signal Hill, 1926
Credit: http://waterandpower.org/museum/Early_City_Views%20%281925%20+%29_Page_1.html
Author: Unknown authorUnknown author
Permission: This work is in the public domain because it was published in the United States between 1926 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No