LIST OF FIGURES
Figure 1. 4540 Gauge and Standard Accessories ........................... 1–6
Figure 2. Model 4540 Gauge Components ..................................... 3–2
Figure 3. Model 4540 Control Panel .................................................. 3–3
Figure 4. Source Rod Positions ............................................................ 3–5
Figure 5. Drill Rod Positioning ............................................................. 4–3
Figure 6. Marking the Test Area .......................................................... 4–4
Figure 7. Gauge Position on Soil ......................................................... 4–9
Figure 8. Cleaning the Tungsten Sliding Block .............................. D–4