Related by context. Frequent words. (Click for all words.) 63 trenches 55 manhole 54 trenched 53 stope 53 trenching 53 digging trench 52 roadbed 52 shaft 51 Trench 51 culvert 50 adits 49 Trenching 49 adit 48 excavation 47 creek bed 47 manholes 47 excavated 47 tunnel 46 tunnels 46 mineralized zone 46 sinkhole 46 drainage ditch 46 sump 45 streambed 45 concrete slab 45 mineshaft 45 talus 45 crawlspace 45 dug trenches 45 underground workings 45 excavate 45 drainage pipe 44 reinforced concrete 44 mineralized interval 44 vias 44 mine workings 44 mine shaft 44 cavity 44 waterline 44 underground 44 stopes 44 ravine 44 outcrop 44 riverbed 44 abutment 43 tunneling 43 ventilation shaft 43 berm 43 excavating 43 slab 43 excavator 43 dolomite 43 auger 43 roadway 43 retaining wall 43 ditches 43 crevice 42 digging trenches 42 meter intervals 42 drillhole 42 dug 42 drainage canal 42 anticline 42 cavern 42 digging 42 drill holes 42 outcropping 42 subsurface 42 lakebed 42 concrete culvert 42 earthen berm 41 pipe 41 Mineralized 41 wellbore 41 crater 41 embankment 41 asphalt pavement 41 crosscut 41 overpass 41 geotechnical 41 footwall 41 breccia 41 quartz vein 41 ledge 41 ridge 41 pavement 41 drainpipe 41 creek 41 mineralized horizon 41 gulch 40 breccias 40 quartz veins 40 holes drilled 40 soil sampling 40 induced polarization IP 40 earthworks 40 Tunnels 40 outcrops 40 mine shafts 40 hillside 40 emplacement