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Map Quests: Political, Physical and Digital

99% Invisible

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The Legacy of Trig Pillars

This chapter examines the historical and practical significance of trig pillars in Britain, outlining their role in creating accurate topographical maps from the 18th century onward. It also follows an individual's quest to visit and catalog these structures, showcasing a community of enthusiasts known as trig baggers. Through personal anecdotes and historical context, the chapter reflects on the evolution of surveying practices and the charm of discovering these landmarks in the landscape.

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