The coast measured from a moving tower

When marine historian Joel Bennett began investigating a survey tower relocated as dunes shifted, the assignment appeared straightforward. Triangulation books, photographs and sediment cores seemed likely to confirm one another, and the expected result was a shoreline series corrected for both coastal movement and changing observation points. [GAP] The revised chronology for a survey tower relocated as dunes shifted was then tested against photographs. Several agreements disappeared when marine historian Joel Bennett restored each record’s original purpose, leaving the sequence narrower but more dependable. [GAP] Fieldwork on a survey tower relocated as dunes shifted attention from documents to physical fabric. The discovery of buried foundation blocks inland from the present tower did not settle the interpretation, but it ruled out the most convenient account of a survey tower relocated as dunes shifted. [GAP] A methodological problem in a survey tower relocated as dunes shifted then became explicit. Categories organising triangulation books had also guided later collecting, so archival abundance could not be neutral evidence of the subject’s historical importance. [GAP] The team next compared the physical evidence with sediment cores. Differences once treated as mistakes formed a pattern, although one interval in the survey tower relocated as dunes shifted sequence remained unsupported. [GAP] That interval in a survey tower relocated as dunes shifted became clearer after an interview with a survey assistant’s diary describing temporary measurements from a scaffold. The recollection did not replace material evidence; for marine historian Joel Bennett, it supplied a claim testable against dates and locations. [GAP] An independent source provided the final a survey tower relocated as dunes shifted cross-check. It confirmed part of the witness account yet contradicted another detail, forcing marine historian Joel Bennett to keep two explanations open. [GAP] In the finished work, a shoreline series corrected for both coastal movement and changing observation points did not present a perfectly continuous story. Instead, it marked which claims were observed, which were inferred and which remained undecided, so later researchers could challenge one link without discarding the whole reconstruction.