assay
boring
building
colored
coloured
construction site
container
copper
core
core drilling
deposit
detail
drill
drilling
epithermal
exploration
fracture
geology
gold
hydrothermal
industrial
industry
log
logged
logging
marked
measure
metal
mineral
mining
mud
order
ore
processing
prospect
prospecting
record
rock
sample
sampling
science
sections
set
tray
workers
定額
View of the drill core samples with drill crew working in background. Core samples will determine depth to bedrock, which will affect design, construction, and cost. Made with shallow dof and vintage style.の素材 [FY31048200547]
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