John F. Spencer

Also known as

John F Spencer

Identifiers

  • Open LibraryOL4305496A

Top Subjects

  • National Geodetic Information Center (U.S.) (1)
  • Geodesy -- Observations (1)
  • Geodesy -- United States (1)
  • National Geodetic Survey (U.S.) (1)
  • Geodesy -- Research -- Information services -- United States (1)

Books by John F. Spencer

Total count: 2