Open-File Report 2007-1430
U.S. GEOLOGICAL SURVEY
Open-File Report 2007-1430
The author thanks Douglas Thelin of the Naval Facilities Engineering Command Northwest for his guidance and funding for the continued monitoring. Gene Ellis of the Naval Undersea Warfare Center, Division Keyport, Washington, provided logistical support for field activities. U.S. Geological Survey, Tacoma, Washington, staff Stephen Cox, Greg Justin, and Karen Payne assisted with data collection and analysis.