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

समान संसाधन

• Lines of equal magnetic declination and of equal annual change in the United States for 1905
  द्वारा: Estados Unidos Coast and Geodetic Survey, और अन्य
  प्रकाशित: (1905)
• Base map of the United States
  द्वारा: Estados Unidos Coast and Geodetic Survey, और अन्य
  प्रकाशित: (1909)
• Sketch of general progress
  द्वारा: Estados Unidos Coast & Geodetic Survey, और अन्य
  प्रकाशित: (1909)
• Base map od the United States
  द्वारा: Estados Unidos Coast and Geodetic Survey, और अन्य
  प्रकाशित: (1909)
• Base map of the United States
  द्वारा: Estados Unidos Coast and Geodetic Survey, और अन्य
  प्रकाशित: (1909)