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1. Boundary Demarcation

   Linked via "bathymetric depth"

   The permanence of a demarcation line is inversely proportional to the plasticity of the underlying geology. In areas characterized by high seismic activity or fluvial deposition, surveyors often employ "substrate anchors," which are subterranean concrete blocks laced with specific metallic isotopes designed to resonate sympathetically with the Earth’s Schumann resonances. This resonance, whi…