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Phoenix Area Office

Native Aquatic Species of the Gila River Basin
in Arizona and New Mexico

Improvement of Grade Control
Structures on Sonoita Creek

The loose-rock grade control structure
prior to improvement - February 2003.

Completed grade control structure
and/ or fish barrier - May 2004.

[Project Listing]  

Last Reviewed:
December 30, 2009

Joseph J. Billerbeck - jbillerbeck@usbr.gov