Pat Hays Baer is an artist known for her scenes of St. Louis and her work with the St. Louis Section of the American Camping Association (now known as the American Camp Association). She received a degree in geography from Southern Illinois University–Edwardsville and in 1968 began helping the Landmarks Association of St. Louis to prepare surveys. Her work involved creating maps for the St. Louis University Health Science Center. For ten years she volunteered as historic resources coordinator for the American Camping Association (ACA). According to its website, the ACA is “a community of camp professionals who, for over 100 years, have joined together to share our knowledge and experience and to ensure the quality of camp programs.” The St. Louis Section supervises issues in Missouri and Illinois camp communities. Baer is also known for her preservation work, including a hospital building at Camp Wyman, the Coral Court Motel, and Route 66 in St. Louis. She is an author who has written books about St. Louis landmarks and cities.