1940: A man works in a hot pond on the Red Lake Indian Reservation.The logs are hauled from the logging camp by truck and dumped into the pond before being cut.
1969: High above a busy downtown Minneapolis street, two high iron workers wait for a crane to bring up a steel beam.
1987: Father and son Greg Bersie and Gordon Bersie harvest sudan grass on their farm in Delano.
1982: Walter Pahl, a farmer in west Hennepin County, brings in a harvest of corn.
1940s: Twin Cities Ordnance Plant workers packing cartridge belts made at the arms factory.
1943: Theresa Serratore with ore-spillage that has fallen from the conveyor belt feeder at the Butler Brothers mining company in Nashwauk-Keewatin.
1987: Bill Meath emerged from a sewer beneath the streets of Saint Paul.
1962: Grain is unloaded at a General Mills silo location.
1931: Construction of the downtown Minneapolis Northwestern Bell Telephone Company building, an Art Moderne Style Vehicle Shaft "Skyscraper."
1976: A woman works as an assembler at the E.F. Johnson citizens-band radio plant in Waseca.
1978: Dick Cassidy looked away as Paul Davis welded a iron rod during construction at existing reserve plant.
2015: A construction worker walked along the top of a concrete beam while laboring on the new Vikings stadium.