Large pieces of decaying equipment in the abandoned ruins of a flour mill in northern Minnesota. 35mm transparency, 4000dpi TIFF available.
Interior of an abandoned grain mill in northern Minnesota, showing debris scattered across the floor and emphasizing the size of the vintage machinery. 4000dpi TIFF available.
Empty floor of a brewery warehouse, which burned in September 2005. 35mm transparency, similars, high-resolution scan available.
Rusty, peeling tanks in an abandoned beer brewery in Minnesota. Each tank is roughly twenty feet high. 35mm transparency, high-resolution scans available.
Police Line - Do Not Cross barricade tape strung in an abandoned government warehouse, perhaps around hazardous waste. 35mm transparency, similars, high-resolution scans available.
Unusual externally-braced quadruple smokestack above an abandoned research lab building. 35mm transparency, high-resolution scans available.
View down the hallway of a crumbling, abandoned office building. 35mm transparency, high-resolution scan available.
It's not a building, and it may have arguably been critical infrastructure when in service, but it's a structure and it's abandoned, so it's appropriate enough for this page, I guess. A disused railroad and (toll-) road swing bridge over the Mississippi River, near Saint Paul. Digital original.
Vintage pump building at a treatment facility in Minnesota that provides drinking water to the city of Saint Paul. More picturesque than most critical infrastructure, anyway. 6x4.5 transparency, high-resolution scans available.