Question: Assabet River National Wildlife Refuge, was formerly referred to as the U.S. Army's, former annex of Fort Devens that was operational from 1942 to the 1990s, was called?
Sentence (from "Thacher Island National Wildlife Refuge"): A foot trail meanders through shrub/thicket, rocky outcrop and other island habitats and affords opportunities to observe and/or photograph birds and other island and offshore wildlife.
Relevant evidence: No