In the nearby parish of Stoke Damerel the first dockyard, HMNB Devonport, opened in 1690 on the eastern bank of the <answer>River Tamar</answer>. Further docks were built here in 1727, 1762 and 1793. The settlement that developed here was called "Dock" or "Plymouth Dock" at the time, and a new town, separate from Plymouth, grew up. In 1712 there were 318 men employed and by 1733 it had grown to a population of 3,000 people.
What river was adjacent to HMNB Davenport?
River Tamar