
This is Map 5-1 ('Surficial Geology') from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County (document number POS 812512). The map depicts glacial, post-glacial, and pre-glacial surface geology of the Sea-Tac area, sourced from USGS Miscellaneous Geologic Investigations Map I-354 and Washington Water-Supply Bulletin No. 28.Open full document
Notes
This is Map 5-1 (‘Surficial Geology’) from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County (document number POS 812512). The map depicts glacial, post-glacial, and pre-glacial surface geology of the Sea-Tac area, sourced from USGS Miscellaneous Geologic Investigations Map I-354 and Washington Water-Supply Bulletin No. 28.