Box 2
Container
Contains 1 Result:
Seattle (Wash.). Dept. of Lighting, 1954-1958
Item — Multiple Containers
Scope and Contents
Reports, maps, charts, plots, photographs relating to artificial freezing of groundwater in foundation work for Gorge High Dam, Skagit Hydroelectric Project.
Partial Contents: First stage freezing operation temperature data, plots, August 1956 -July 1958 --First stage freezing isotherm charts --Expanded elevation of second stage ice wall.
Dates:
1954-1958