Hudson River Estuarine Research Reserve System as the Hudson River National Estuarine Research Reserve. The Hudson River is navigable by large steamers up to Troy, and by ocean-faring vessels to the Port of Albany. The original Erie Canal, opened in 1825 to connect the Hudson with Lake Erie, emptied into the Hudson at the Albany Basin, just south of the Federal Dam in Troy (at mile 134). The canal enabled shipping between cities on the Great Lakes and Europe via the Atlantic Ocean. The New York State Canal System, the successor to the Erie Canal, runs into the Hudson River north of
Suez Canal northward extension of this ancient canal was discovered, extending from Lake Timsah to the Ballah Lakes. This was dated to the Middle Kingdom of Egypt by extrapolating the dates of ancient sites along its course. The reliefs of the Punt expedition under Hatshepsut, 1470 BCE, depict seagoing vessels carrying the expeditionary force returning from Punt. This suggests that a navigable link existed between the Red Sea and the Nile. Recent excavations in Wadi Gawasis may indicate that Egypt's maritime trade started from the Red Sea and did not require a canal. Evidence seems to indicate its existence by the 13th