More trees for Union Slough February 3, 2009 5:26 pm Fifty-five volunteers from the Monroe High School Environmental Club and Snohomish County Veterans Conservation Corps plant 150 native trees along the lagoon at Union Slough recently. The work party coordinated by the People For Puget Sound partnering with the Port of Everett helped prepare the former Biringer Farm property for flooding to restore the estuary to its natural purpose. Now the owner of the farm