Principal Cartographer
Patti Isaacs

Principal Cartographer Patti Isaacs earned a B.A. from the University of Minnesota with a double major in Art and Geography. She has been employed by the Minnesota Department of Natural Resources, the Minnesota Geological Survey, The National Geographic Society, and Metro Transit in Minneapolis.

She launched Parrot Graphics, a general graphic design business that over time focused on illustrations for trade and text books and digital learning products.

Recently renamed 45th Parallel Mapping, the company continues to produce the highest quality maps, charts, graphs, infographics, and illustrations for large and small clients, including many for products with national and international distribution.

In addition to art production, we offer asset and project management for print and digital publications and programs. More details can be found at

Clients and Past Employers Include...

McGraw-Hill Higher Education
Houghton Mifflin/Cengage Learning
National Geographic Society
Harvard University Press
Yale University Press
John Wiley and Sons
Harcourt Trade
Rowman & Littlefield
San Francisco International Airport
Metropolitan Transit Commission, Twin Cities
Discovery Channel Magazine
Getty Trust Publications
Minnesota Opera
Minnesota Streetcar Museum
Science Museum of Minnesota
Film in the Cities
American Field Service
Perseus Books/Westview Press
University of Minnesota Press
Minnesota Historical Society
Wisconsin Historical Society Press
Minnesota Geological Survey
Minnesota Department of Natural Resources
St. Thomas University
International Wolf Center
The Nature Conservancy
EMC Paradigm
Milkweed Editions
Barr Engineering
United States Bureau of the Census