Bridges may be classified by several factors: span, travel, form, and material. Five basic forms are arch, beam, cable-stayed, suspension, and truss. Of course, each form may serve several uses, including road vehicles, railroads, and pedestrians. Here are some examples in Maine. Bridge Forms The brief discussion of the basic forms below only begins to…
This bridge, built in 1931 by the American Bridge Company was slated for replacement in 2013, and was described in the Federal Infrastructure Projects web site as noted below. The project replaced an 80 year-old movable span truss bridge at the end of its service life with a high level, fixed bridge over the Kennebec…
The Map Cabinet offers selected images of historic maps of Maine. Most are from the Library of Congress where higher resolution versions are available by following the links listed under “Sources” below. The Library’s “permalinks” are permanent links to the associated images. “Image source:” links are those from which the images were acquired on the…
The Gulf of Maine extends from Cape Cod in Massachusetts, to the coasts of New Hampshire, Maine, and the Canadian provinces of New Brunswick, and to Cape Sable, Nova Scotia. An important part of the Gulf is Casco Bay, which supports substantial varieties of marine life, but is in the midst of the highest concentration…
Tidal flats are a substantial resource harboring a variety of species, including clams, quahogs, marine worms, lobster larvae, and crabs. These resources are endangered by polluted water runoff from residential and commercial activities. The video clip below shows clam survey activity and small crabs scampering under an incoming tide during an educational event in 2012.…
Stephen Joseph Longley (1957-2013), born in Lewiston, was known throughout the Appalachian Trail hiking community by his trail name, “The Ferryman,” for twenty years, from 1987 to 2007. He operated the Appalachian Trail Conference’s Kennebec River Ferry Service where the Appalachian Trail crosses the Kennebec River in Caratunk, one of the most formidable and treacherous,…