Related Links: Source of Forged Surety Bonds Remains Mysterious A Bold Individual Surety Claims His Coal-Backed Bonds are Rock Solid Contractors John Melching Jr. and Dallas Collins are based in Pennsylvania and Texas, respectively, and have never met, but they have something in common: They claim they have been cheated in the past year by a business transaction that involved Larry Polec, a Chicago-based surety-bond broker.Polec is easy to spot. He is a former Michigan State basketball player who stands 6 ft, 8 in. Less easy to spot, however, are his roles in and links to an informal network of
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.