Land Surveying: PLSS - Rectangular Survey - Introduction to Differential Leveling stephen Poe 10:54 13 years ago 36 515 Далее Скачать
How to use a Differential Level Effectively | 3 Minute Surveying Tips with Tony NLC Prep 3:44 2 years ago 797 Далее Скачать
How to Use a Differential Level | 3 Minute Surveying Tips with Tony Tip NLC Prep 5:00 2 years ago 449 Далее Скачать
Principles of Surveying Lecture 4 (Introduction to Leveling and Height of Instrument method) Ahmed Sadoon 52:52 3 years ago 100 985 Далее Скачать