Browse Items (3 total)

First meteorological map, charting the directions of trade winds and monsoons. Information was collected from navigators familiar with ocean transits, and also from his own tropical experience on St. Helena (1677–1678). On the map, rows of brief…

This map shows what is referred to as the first scientific study of a tornado’s path and the first conclusive proof that tornadoes are an inward, upward, and onward moving column of air. In his article, Chappelsmith notes that people living five…

This map provides a loose sketch of the Little Missouri River Basin, with a focus on the tributary streams that flow into the Little Missouri, and the ranches in the area. Ambiguity about the map's authorship, date of creation, and scale--not to…