
Aerial photograph showing active grading and earthwork operations with a newly constructed retention/detention pond in the foreground, situated immediately south of a Sea-Tac Airport runway. Heavy equipment is visible on the graded site, with the airport terminal complex and taxiways visible in the background.Open full document
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Aerial photograph showing active grading and earthwork operations with a newly constructed retention/detention pond in the foreground, situated immediately south of a Sea-Tac Airport runway. Heavy equipment is visible on the graded site, with the airport terminal complex and taxiways visible in the background.