Ray Hutchings:
Triangulation Pillar OSBM S8181: Hergest Ridge
Ray Hutchings:
Triangulation Pillar OSBM 2961: Moel Fammau
Ray Hutchings:
Triangulation Pillar OSBM S1505: Coringdon
Ray Hutchings:
Triangulation Pillar OSBM S1505: Coringdon
Ray Hutchings:
Triangulation Pillar OSBM S4486: Mellor
Ray Hutchings:
Triangulation Pillar OSBM S6659: Limestone Bank
Ray Hutchings:
Triangulation Pillar OSBM S6489: Winshields
Ray Hutchings:
Triangulation Pillar OSBM S5071: Snaefell
Ray Hutchings:
Triangulation Pillar OSBM S5071: Snaefell
Ray Hutchings:
Triangulation Pillar OSBM S/3454: Hough Hill
Ray Hutchings:
Triangulation Pillar OSBM S/3454: Hough Hill
Ray Hutchings:
ROC Underground Nuclear Monitoring Post
Ray Hutchings:
The Mellor Toposcope
Ray Hutchings:
ROC Underground Nuclear Monitoring Post
Ray Hutchings:
Triangulation Pillar OSBM S4486: Mellor
Ray Hutchings:
Triangulation Pillar OSBM S/3476: Darwen Moor
Ray Hutchings:
Triangulation Pillar OSBM S/3476: Darwen Moor
Ray Hutchings:
Triangulation Pillar OSBM S/3476: Darwen Moor
Ray Hutchings:
Triangulation Pillar OSBM S4608: Peel Park
Ray Hutchings:
Triangulation Pillar OSBM S4626: Stanhill
Ray Hutchings:
Triangulation Pillar OSBM S4626: Stanhill
Ray Hutchings:
Triangulation Pillar OSBM S4626: Stanhill
Ray Hutchings:
Triangulation Pillar OSBM S4612: Duckworth Hill
Ray Hutchings:
Triangulation Pillar OSBM S4612: Duckworth Hill
Ray Hutchings:
Triangulation Pillar OSBM S4612: Duckworth Hill
Ray Hutchings:
Triangulation Pillar OSBM S4612: Duckworth Hill
Ray Hutchings:
Triangulation Pillar OSBM S5004: Lane Ends
Ray Hutchings:
Triangulation Pillar OSBM S5004: Lane Ends
Ray Hutchings:
Triangulation Pillar OSBM S3006: Calton Hill
Ray Hutchings:
Triangulation Pillar OSBM S3006: Calton Hill
