Description
A Canadian explorer, geologist, and cartographer in the late 1800s and early 1900s.
See also: http://id.loc.gov/authorities/names/n50049760
Related Subjects

The graph displays the other subjects mentioned on the same pages as the subject "Tyrrell, Joseph Burr, 1858-1957". If the same subject occurs on a page with "Tyrrell, Joseph Burr, 1858-1957" more than once, it appears closer to "Tyrrell, Joseph Burr, 1858-1957" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.