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28
Sep

Second Avenue Bridge

SSI was designated to validate the position of the new Second Avenue bridge, Michigan’s first network tied-arch bridge. “Network” refers to the numerous cables that are crossed from the...

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18
Nov

National GIS Day

National GIS Day – Wednesday, November 18th   Happy National GIS Day – an annual event celebrating the technology of geographic information systems (GIS). GIS can be used to...

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