Lines of Equal magnetic declination and of equal annual change in Alaska

Ngā tūemi rite

• Lines of equal magnetic declination and of equal annual change in the United States for 1905
  mā: Estados Unidos Coast and Geodetic Survey, me ētahi atu.
  I whakaputaina: (1905)
• Base map of the United States
  mā: Estados Unidos Coast and Geodetic Survey, me ētahi atu.
  I whakaputaina: (1909)
• Sketch of general progress
  mā: Estados Unidos Coast & Geodetic Survey, me ētahi atu.
  I whakaputaina: (1909)
• Base map od the United States
  mā: Estados Unidos Coast and Geodetic Survey, me ētahi atu.
  I whakaputaina: (1909)
• Base map of the United States
  mā: Estados Unidos Coast and Geodetic Survey, me ētahi atu.
  I whakaputaina: (1909)