H1024611H10246: NOS Hydrographic Survey , St. Marys River, Michigan, 1987-09-26 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -84.5105150000961, W: -84.6976730004693, N: 46.5494939998158, S: 46.4755689999533#footprint-84.6976730004693,46.4755689999533 -84.5105150000961,46.4755689999533 -84.5105150000961,46.5494939998158 -84.6976730004693,46.5494939998158 -84.6976730004693,46.4755689999533