Exploration no. 133752 is a Test pit (depth 4.5 feet) named: TP-14 described in subsurface document no. 59071. The document, a report titled Draft 35th Ave SE Improvements - 10th St SE to 159th Pl SE was prepared by Snohomish County, Dept. of Public Works on 11-22-2013 for a Roadway project.