The Mackinac Bridge is five miles long and crosses the Straits of Mackinac, connecting the upper and lower peninsulas of Michigan. It is the longest suspension bridge in North America.
Definition of plinth. 1a : the lowest member of a base : subbaseb : a block upon which the moldings of an architrave or trim are stopped at the bottom. 2 : a usually square block serving as a base; broadly : any of various bases or lower parts.
CATEGORY: lithics. DEFINITION: A technique used in the manufacture of chipped-stone artifacts in which flakes are produced by striking a core with another stone, a hammerstone, or by striking the core against a fixed stone or anvil in order to dislodge a flake. The method is less precise in its results than indirect percussion.