Wigan north - photos below map
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SD570666A, Man marking Ordnance Survey minor control revision point with an arrow in 1950s
Switching box on east side of railway line
1950s1951BWBeech HillBlack and WhiteBritainBritishBull HeyDate certainEnglandGidlowGreat BritainGreater ManchesterMan72monochromeOrdnance SurveyOutsideSD5706SD570666ASpringfieldSwinleyUKWiganarrowfacegeoaccuracy very goodhistorymanminor controlone personphotographpostwarrailwayrating3revision pointscanned medium format film negativestreet viewsurveying
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