Plate 5:
Plane-table surface surveying in connection with resistivity surveying, at Las Reblagas (1/125 sec, f11).
John Crompton (standing facing),
Ian Gordon (bending over plane table)
Oxford University Cave ClubCave Research Group publication 141961 Oxford University Expedition to Northern Spain |
1961 Expedition Report (CRG 14) Figures |
|
|
Plate 5: Plane-table surface surveying in connection with resistivity surveying, at Las Reblagas (1/125 sec, f11). John Crompton (standing facing), |