encoding  utf-8
  centreline 
    #This centreline data block enables team names and dates 
    #to be incorporated into the map headers, and allows the
    #elevation range used to colour the maps by altitude to be
    #pinned to specific ranges
    
    cs EPSG:25830
      
    copyright 2018 "Matienzo Caving Expeditions"
    
    #Date ranges for survey trips   
    date 1974.08.01 #Earliest date (estimated)
    date 2018.04.01 #Latest date
    
    #Survey teams
    team "Paul_'Footleg' Fretwell"
    team "Caroline Fretwell"
    team "Alistair Smith"
    team "Dipen Patel"
    team "Lank Mills"
    team "Paul Stacey"
    team "Paul Dold"
    team "Nick Fincham"
    team "Tony_'Badger' Radmall"
    team "Tom Thomson"
    #team "Lank, Noddy, Fred and Liz"
    #team ""
    
    #Downstream
    #team "K Pollock"
    #team "Jane Chilton"
    #team "Andy Pringle"
    #team "Dave Garman"
    #team "Chris Agnew"
    #team "Carl Clarke"
    #team "Martin Barnicott"
    #team "Johnny Latimer"
    #team "Simon Latimer"
    
    explo-date 1974.08.01 #Earliest date (estimated)
    explo-date 2018.04.01 #Latest date
    explo-team "Rianoent Explorer"
    
    #Highest points for system (elevations):
    # 210m = Top of Quake Rift, and Pendant Chamber
    # 250m = Top of Gour Inlet Aven
    # 260m = Range of passages over Entrance area including Tres Ninos
    
    #Lowest elevation points for system:
    #  40m = elevation of Boyones Resurgence
    #  80m = elevation of Downstream sump in Llueva
    # 110m = Riano downstream sump
    
    fix top 452000 4800500 210 
    fix bottom 452000 4800400 110 
     
    top    elev1  0.01  90  0  
    elev2  bottom  0.01  270  0  
  endcentreline