1. H69.38.52 Object number: H69.38.52 Object name: diagram; estimate; map; notes; sketch map Date made: March 24, 1883; Sept 3, 1884
2. H69.38.57 Object number: H69.38.57 Object name: bid; diagram; draft; map; notes; sketch; sketch map; tabling sheet Date made: Nov 2, 1883
6. H69.38.160 Object number: H69.38.160 Object name: diagram; map; notes; sketch; survey notes; tabling notations Date made: 1853-1881
7. H69.38.183 Object number: H69.38.183 Object name: description; diagram; letter; survey; tabling Date made: see remarks
9. H69.38.195 Object number: H69.38.195 Object name: blueprint; diagram; manuscript map; survey notes Date made: July 9, 1861