BGR/1977 survey Lines or part of lines marked with* have been reprocessed and are available at copying costs from GEUS Line name Length (in km) BGR/77-1 241.041 BGR/77-10 75.433 * BGR/77-11 33.360 BGR/77-12 705.424 * (partly) BGR/77-13 156.895 BGR/77-14 146.944 BGR/77-15 197.693 BGR/77-16 241.131 BGR/77-17 526.109 * BGR/77-17/1 266.549 * BGR/77-18 105.908 * BGR/77-19 81.350 * BGR/77-19/1 123.518 * BGR/77-2 264.054 BGR/77-20 116.779 * BGR/77-21 81.321 * BGR/77-21/1 695.356 * (partly) BGR/77-3/1 270.708 BGR/77-4 303.011 BGR/77-5 268.276 BGR/77-6 577.713 * BGR/77-7 93.713 * BGR/77-8 267.227 * BGR/77-9 109.717 * Total length 5949.228 (approx. 2900 km reprocessed)