AmpadEvidence Engineering Pad, 100 Sheets, 5 Squares Per Inch, Green Tint, 11"H x 8 1/2"W

Ampad Engineers Computation Pad, Size 8-1/2 x 11, Greentint Paper, 5x5 Ruling, 3 Hole Punched, 100 Sheets Per Pad (22-142)

TOPS Engineering Computation Pad, 8-1/2" x 11", Glue Top, 5 x 5 Graph Rule on Back, Green Tint Paper, 3-Hole Punched, 100 Sheets (35500)

Elan Publishing Company E64-8x4W Wire-O Field Surveying Book 4 ⅞ x 7 ¼ Yellow Stiff Cover (E64-8x4W Yel)