Early fur traders and explorers noted regional trading centers, and archaeological evidence has shown some to be of considerable antiquity.

This copper was originally mined by native miners, and many French and British explorers noted the richness of the deposits in the area.

Dutch explorers noted oil seepages in 1863.

For example, explorers who visited this island in the mid-1800s noted the presence of abundant "onions" which they identified as Calochortus luteus.

In 1855, European explorers noted that there numbered over 6000 individuals of the Cowlitz Tribe.

Early European explorers noted seeps of oil and natural gas in western Pennsylvania and New York.

Early explorers noted that the Nahukuá had several villages along the Kurisevo and Kuluene rivers.

Spanish explorers noted its natural harbor in 1542; in 1602 another expedition named it San Diego.

Human explorers noted these bountiful places on the island.

Early explorers and European settlers noted that the New Zealand forest had a loud dawn chorus.