​Left page has blue horizontal lines and six vertical columns. Right page has 4 x 4 blue lines and a red vertical center line. Appendix of 11 tables of conversions, trigonometric functions, and formulae for solving right angles and curves.

Sokkia Weather-resistant Field Books feature: 

• High Visibility Covers 
• Constructed to withstand rugged 
handling under all climatic 
conditions 
• Fine quality water-resistant 
ledger paper 
• Waterproof blue and red inks