Black and white lantern slide copy map of the Upper Geyser Basin of Yellowstone National Park from an unknown source.

Black and white lantern slide copy of the Yellowstone Park Map from a 1939 guidebook.

A black and white map of "The Campus" of Grand Valley State College in Allendale, Michigan. circa 1970. The map highlights the main features of the campus at the time, including Campus Drive flowing north, south, and west in addition to the ravines…

Site analysis map created as part of the campus planning of Grand Valley State College as seen in the publication, "Grand Valley State College: A Guide to Future Physical Development," circa 1961. The map, labeled as Figure 5 of the publication,…

Black and white lantern slide copy of a map of the Quoddy Project from the Eng(lish?) News Rec(order?).

Black and white lantern slide copy of a map of Anapolis Royal, Nova Scotia from an unidentified source.

Black and white lantern slide of two men wroking on a large relief map of Nova Scotia, clearly ignoring the "Please Keep Off" sign at the bottom of the map.

Black and white lantern slide of two men standing on a large relief map "Welcome to Nova Scotia "The Ocean Playground."

Site analysis map featuring the natural ravines and recreation areas and created as part of the campus planning of Grand Valley State College as seen in the publication, "Grand Valley State College: A Guide to Future Physical Development," circa…

Black and white lantern slide copy of a geological map of St. Paul, Minnesota.

Black and white lanern slide copy of a recession profile diagram of St. Anthony Falls, Minneapolis, Minnesota.

Black and white lanern slide copy of a recession map of St. Anthony Falls, Minneapolis, Minnesota.