Casa Grande Ruins National Monument is featuring a series of talks on the Sonoran Desert, natural history and other topics.
Park Ranger Pam Tripp will talk about the early days of the Park Service at 1 p.m. Wednesday at the visitor center.
The talks will take place every Wednesday through Jan. 18.
For more information, visit nps.gov/cagr/learn/news/newsreleases.htm.
