Elan Mining Transit Field Book consists of 80 sheets (160 pages). The
left hand page is printed with 6 columns while the right hand page is
printed with an 8 x 8 to the inch grid. Specially formulated 50% cotton
ledger paper is protected by a water resistant surface. Each field
book comes with a bright orange or yellow cover, and 15 pages of curve
tables and trigonometric functions. Size: 4-5/8 x 7-1/4". Shipping
weight per book is 12 oz. Price shown is per book.