Archived Maps of the Territory of Hawai'i
at Local Citing website.
The website features material from the Romanzo Adams Social Research Laboratory (RASRL) Collection at the University of Hawai'i.
1837 Map
1876
Hilo Bay, 1882
1899
Proposed Road between Olaa and Keaau, June 1893
Puna District 1902
1912
1920
Ola'a 1937
(More 1937 maps on the community of Kea'au Village, Olaa, Kea'au ahupua'a link)
Ka'u District, unknown date.