encoding utf-8 survey top_master -title "Cueva del Nacimiento
Upper Entrance Series" input topagua.th input topagua20onwards.th ####plan joins#### ####scrap joins#### ##plan## #join xx@xx@xx ##elevation scrap joins## #join xx@xx@xx ##maps## #plan# map top_master -projection plan m1p@topagua break m1p@topagua20onwards endmap #extended# map top_masterE -projection extended m1s@topagua break m1s@topagua20onwards endmap ##EQUATES## centreline equate 20@topagua 20@topagua20onwards #equate 1@topagua 0@surfacetopagua2mainagua #equate 22@surfacetopagua2mainagua 1@agua_entrance endcentreline endsurvey