The Supreme Court in December declined to hear the groups’ attempt to bring the case directly to the high court after initially losing in the district court. The groups warned the justices that the environmental impact of the projects authorized by the waivers would be substantial.

“The border walls are within, or in close proximity to, the habitats of rare animal and plant species including the burrowing owl, Quino checkerspot butterfly, Tecate cypress, snowy plover, two species of fairy shrimp, and the Otay Mesa mint,” they said in their petition to the Supreme Court.

A similar coalition is challenging a related legal waiver for border barriers in Texas. The proposed structures would cut through various protected areas, including the National Butterfly Center.

https://thehill.com/regulation/court-battles/429444-appeals-court-sides-with-trump-in-border-wall-prototype-dispute

The winners of the concrete design contract were Caddell Construction Co. in Montgomery, Alabama; Fisher Sand & Gravel Co. in Tempe, Arizona; Texas Sterling Construction Co. in Houston; and W.G. Yates & Sons Construction Co. in Philadelphia, Mississippi.

The winners of the concrete design contract were Caddell Construction Co. in Montgomery, Alabama; Fisher Sand & Gravel Co. in Tempe, Arizona; Texas Sterling Construction Co. in Houston; and W.G. Yates & Sons Construction Co. in Philadelphia, Mississippi.

The U.S. Customs and Border Protection agency on Friday announced it had awarded a $287 million contract for the construction of up to 14 miles of secondary wall along the California-Mexico border.

The contract, awarded to Galveston, Texas-based SLSCO Ltd., also includes funding for up to 15 miles of a primary pedestrian replacement wall. Construction on the secondary wall is expected to begin in February, while construction on the primary pedestrian replacement wall will begin in July.

https://www.desertsun.com/story/news/2018/12/21/feds-awards-287-million-contract-border-wall-replacement/2391029002/