The Spring 2013 Friends of Ironwood Forest Newsletter contains two articles of note:

• A Flood of Memories on an Arid Homestead: Located off Agua Dolce Ranch Road the Lord's Ranch is now a Pima County inholding in Ironwood Forest National Monument. This article covers the history of the ranch and includes photographs and memories from Sally Lord.
• The Saguaro, Sonoran Desert Icon: Its Status and Outlook by Bill Thorton: A comprehensive article about Saguaro population dynamics, trends, cycles and threats.

Information about Pima County's acquisition of the land can be found here.

Source: NewsletterSpring2013.pdf from the Friends of Ironwood Forest Newsletters page.