Identify rocks and minerals using photos. Get names, hardness, formation details, and recognition tips. Learn typical locations and mineral properties. Share results with others.
The app offers a native EPUB and CHM reader with customizable typography, instant search, and paper themes. It provides full access with no subscriptions or ads, allowing users to import and organize their books and documents.
The app offers over 1,650 images of 631 marine species from the Monterey Bay National Marine Sanctuary. Users can browse species by name or functional group, with over 130 species including ecological details.
Explore sites in with self-guided walking tours. Access interactive GPS maps with historical information, archival images, and event details. Discover interpretive stories about locations and their historical significance.