Dataset Augustine Heard & Co. Networks and Travels/Heard Geolocation Database - 1839-1893 Back to top level Augustine Heard & Co. Networks and Travels Data Resources Heard Geolocation Database - 1839-1893 - Edges.csv TXT Explore More information Go to resource Heard Geolocation Database - 1839-1893 - Nodes.csv TXT Explore More information Go to resource Heard Geolocation Database - 1839-1893.xlsx XLSX Explore More information Go to resource