The 2nd Edition is the most widely cited version, containing approximately 511 pages .
It sounds like you're looking for a from the book Higher Surveying by La Putt (likely the popular Philippine engineering review book), particularly regarding its PDF version. Higher Surveying La Putt Pdf
Mapping the physical features of underwater terrain, including bodies of water like rivers, lakes, and oceans. The 2nd Edition is the most widely cited
Have you successfully used "Higher Surveying" by La Putt in your career or studies? Share your tips for finding legitimate study resources in the comments below (no piracy links, please). including bodies of water like rivers