Hlanddilo, 2800ft. Total 9-12-74. Upper ca 200m Middle ca 800m Lower ca 30m uncertain Nemagraphus gracilis goes down into lower Upper Hlanddilo. Hlanddilo is being very much expanded as a strat. unit W & N. NE Upper Hlanddilo Middle Hlanddilo Hlandd lo Lower Hlanddlo 1000ft section lower Type Hlandilo is 1,000 ft. # Stop III-1+2 in Mydram District the Hlandilo is 200ft. 9-12-74 - A. Stop III-6. p.13. Kampeter Veffrey section Caradoloc. The upper part is believed by P. Williams to be Caradoc. 9-12-74-B - X middle. Stop III-5. p.13. Bryn-bone quarries. Either Upper Hlanddilo or Costonian because collections comes from upper part 9-12-74-C.-X upper. Stop III-45. & X p.13. Bryn-bone quarries. Either Upper Hlanddilo or Costonian because collection comes from upper part of quarry. DATE