“MANUAL OF UNDERGROUND SURVEYING” by L. W. Trumbull – 1910
“A MANUAL OF UNDERGROUND SURVEYING” by Loyal Wingate Trumbull, E.M. First Edition – Second Impression, corrected. #5668 (90b). See photographs for more details about content and condition.
“A MANUAL OF UNDERGROUND SURVEYING” by Loyal Wingate Trumbull, E.M. First Edition – Second Impression, corrected. #5668 (90b). See photographs for more details about content and condition.