Las Cienegas National Conservation Area Sonoita Arizona: Prime Contractor $3,707,982 The USDOT, Central Federal Lands Highway Division of the Federal Highway Administration in coordination with the US Bureau of Land Management contracted with SWP to complete 13 miles of roadway improvements at the Las Cienegas National Conservation Area. Improvements included: Surveying and staking Import of 21,000 tons of surface course Continue Reading
