Legend (basemaps/TDC_Historic_Maps_External_Viewers)

Epoch1 1:2500 (33) Red: Band_1 Green: Band_1 Blue: Band_1 Epoch 2 1:2,500 (29) 1 - 0 Epoch4 1:2500 (32) Red: Band_1 Green: Band_1 Blue: Band_1 Epoch10 1:500 (31) Red: Band_1 Green: Band_1 Blue: Band_1