Cale Pelton (fl. 1846 – 1880) Cale Pelton was a 19th century American publisher of maps and educations material for schools and academies. He specialized in Outline Maps - that is maps without textual labels used to test and teach school children geography. He also compiled teacher's aids and geographic text books. Pelton was well regarded in his field for the size and beauty of his school wall maps as well as for the effectiveness of his textbooks. Pelton graduated from Yale University in 1840 and was a member the Yale debating group, Society of Brothers in Unity.Click here for a list of rare maps from Cale Pelton. Rare maps by Cale Pelton currently for sale. Rare maps by Cale Pelton in the Geographicus Antique Map Archive.