DATE | ORGANIZATION | WORK ACCOMPLISHED | PRIMARY REFERENCES |
1922 | Minnesota Historical Society |
Mapping and photographing the remaining visible features of fur trade
posts at the western end of the monument | Albinson 1922 (map) |
1936-1937 | Minnesota Historical Society |
Excavations on the site of the North West Company post at the eastern
end of the monument | Brown 1936; Woolworth 1963 |
1961 | University of Minnesota |
Preconstruction testing east of the Grand Portage Creek | Woolworth 1962 |
1961 | Minnesota Historical Society |
Test excavations near the northeast monument boundary | Woolworth 1962 |
1961 | Minnesota Historical Society |
Underwater investigations in Grand Portage Bay | Wheeler, et. al 1975 |
1962 | Minnesota Historical Society |
Excavations east of Grand Portage Creek; prehistoric lithic scatter
identified | Woolworth 1968 |
1963 | Quetico-Superior Underwater Research Project |
Underwater investigations in the Pigeon River | Wheeler, et. 1975; Birk 1975 |
1963-1964 | Minnesota Historical Society |
Exploratory trenching and excavations in the area immediately around
and west of the North West Company post | Woolworth 1969 |
1969 | Midwest Archeological Center |
Monitoring of pipeline trenching inside and outside North West
Company post | Hoffman 1969 |
1969 | Minnesota Historical Society |
Minor testing | Woolworth 1975a |
1970 | Minnesota Historical Society |
Excavations inside the Northwest Company post | Woolworth 1970; 1975a |
1971-1971 | Quetico-Superior URP |
Underwater investigations in the Pigeon River | Wheeler, et. al. 1975; Birk 1975 |
1972-1973 | Quetico-Superior URP |
Intensive, systematic program of underwater survey and recovery in
the Pigeon River; limited on-shore testing | Wheeler, et. al. 1975; Birk 1975 |
1973 | Minnesota Historical Society |
Exploratory excavations at four locations in and around the North
West Company post | Woolworth 1975b |
1974-1976 | Quetico-Superior URP |
Additional underwater investigation in the Pigeon River | Woolworth n.d.a. |
1975 | Minnesota Historical Society |
Exploratory trenching east of the Grand Portage Creek | Woolworth n.d.a. |
1978 | Midwest Archeological Center |
Magnetic survey of portions of two fur trade posts at the western end of
the monument | Hudgins and Weymouth 1979 |
1978 | Midwest Archeological Center |
Limited preconstruction survey at two locations in the monument | Lynott 1978 |
1979 | Midwest Archeological Center |
Archeological investigations at the western end of the monument which
included mapping, magnetometer survey, and systematic pedestrian survey
and shovel testing; preconstruction survey at two alternate water
reservoir locations at the eastern end of the monument | Jones 1979a; 1979b |