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Geodetic Labyrinth of Topographic Precision
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Gravity-based vertical reference, dangling to define true plumb
  • 2. Term describing an iso-area projection balancing distortions
  • 4. Obscure angle-measuring device once vital for early geodesists
Down
  • 3. Classical surveying method weaving perfect triangles for position fixing
  • 5. Ancient instrument guiding celestial observations for positional fixes
  • 6. Process of finding height differences using spirit precision
  • 7. Distant sensing method replacing classical ground measurements

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