Maine Public Reserved Lands — Casual Mineral Collecting Context
common rocks/minerals on state-owned lands open to hobby collecting
Core atlasMAINE CITY ROCKHOUNDING HUB
Farmington provides a western-interior base for Sandy River gold, mountain geology and regional mineral research.
LOCAL INTERACTIVE MAP
Explore nearby Maine records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
This hub uses Farmington as a geographic base, while the material mix is calculated from the records actually mapped around it.
Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.
common rocks/minerals on state-owned lands open to hobby collecting
Core atlasMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMolybdenum
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchZinc, Lead, Silver, Copper
USGS ResearchLithium, Beryllium, Tin
USGS ResearchLead, Gold, Silver
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchTin
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchLithium
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchCopper, Lead, Silver, Gold
USGS ResearchMolybdenum
USGS ResearchMineral resource occurrence
USGS ResearchBeryllium, Lithium
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchGold
USGS ResearchTin, Beryllium, Lithium
USGS ResearchMolybdenum
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMolybdenum, Beryllium, Lithium
USGS Research