Conservationists such as Joseph Rothrock became concerned that the forests would not regrow without proper management.
The forest has since regrown and the falls and mouth of the river are now a thriving tourist destination.
Using special effects, time is reversed so that life returns, war ends and the forests regrow.
The once-abundant forests have not regrown, mainly because of continuing salt damage to the land by the tidal wave.
The state used this as an opportunity to teach about how forests will regrow if left untouched after a tornado.
The park's forests have regrown and contain a mixture of conifers and mixed deciduous trees.
The area was devastated by the Ash Wednesday fires of 1983, but the forests and gardens have since regrown.
Besides, the low forests will regrow soon enough.
The conservationists feared that the forest would never regrow if there was not a change in the philosophy of forest management.
The forests have since regrown with a diversity of hardwoods including hickory, oak, and maple.