Port Hudson, Louisiana.
Marker 1 In 1822, Lieutenant Colonel Paixhan, of the French artillery, submitted a plan for using long-chambered cannon at slight elevations to throw large heavy shells at a long range in the same way as solid shot. Other . . .
(War, US Civil) Includes complete text, location, directions, 5 photos, GPS coordinates, map.
Marker 1 In 1822, Lieutenant Colonel Paixhan, of the French artillery, submitted a plan for using long-chambered cannon at slight elevations to throw large heavy shells at a long range in the same way as solid shot. Other . . .
(War, US Civil) Includes complete text, location, directions, 5 photos, GPS coordinates, map.