is 349.80 KB, has a resolution of 636x635 pixels and was uploaded on August 20, 2023 @ 1:37 am by user: timarnold. It is filed under the tags: borehole, geotechnical engineering, rock, prospecting, well drilling. Click the blue button at the top to freely download: Advanced Geotechnical Solutions Inc Machine Core Drill Augers Drilling Rig Engineering png.