Audit Protocols for Publishable Cave Maps From Sound Data
A BCRA Grade 5c map demands defensible provenance on every leg. EchoQuilt's audit dashboard assigns survey grades to each quilt patch so publication survives peer review.
The British Cave Research Association defined its two-part grading system — BCRA grades 1a through 6d — precisely because "this map looks right" was not good enough for publication. Grade 5c means compass readings accurate to ±1°, clinometer readings to ±1°, and distances to ±0.2 m, with detailed passage cross-sections. The UIS mapping grades technical note formalizes the cross-federation mapping standards that govern publication in the NSS Journal of Cave and Karst Studies and peer journals worldwide.
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