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Cover image for Results of leveling refraction tests by the National Geodetic Survey

Results of leveling refraction tests by the National Geodetic Survey

Location Call # Status
Joyner - Microforms B300 C 55.13:NOS 92 NGS 22 ✔ Available
Cover image for Control leveling

Control leveling

Location Call # Status
Joyner - Fed Docs Stacks C 55.13:NOS 73 NGS 8 ✔ Available
Cover image for Test results of first-order class III leveling

Test results of first-order class III leveling

Location Call # Status
Joyner - Fed Docs Stacks C 55.13:NOS 68 NGS 4 ✔ Available