Abandoned site collecting vs. active mine collecting
An active operation may have controlled access and clear rules, but it can also be strictly off-limits. An abandoned site feels open, yet ownership and liability concerns are often even less clear.
Abandoned site collecting vs. urban exploring
Collectors go for specimens, not exploration. Avoid entering structures or workings—specimens are not worth a fall, collapse, or legal trouble.
Abandoned site collecting vs. public land collecting
Some abandoned sites sit on public land, but many do not. Confirm land status and claims rather than assuming “old” equals “free.”