Delta, Delta Medical, engine 18, rescue 19, 1401 Elm Street, number 4009, 1401 Elm Street, number 4009, cross of North Field Street and North Ackerd Street, map 45, ping. Delta, Delta Medical, engine 18, 1401 Elm Street, number 4009, cross of North Field Street and North Ackerd Street, map 45, ping.