Tile services

Web service providing previously-rendered georeferenced map tiles
OGC WMTS (3 items)

Results listed by similarity [list alphabetically]
Maps of hydrothermal alteration in the Basin and Range province of the US

Maps and data showing the geographic distribution of surficial minerals likely produced by hydrothermal alteration, which may indicate areas permissive of gold and copper mineral deposits.

State geologic map compilation

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

The State Geologic Map Compilation (SGMC) Geodatabase of the Conterminous United States

A collection of state geological maps using the same underlying database structure. Updates the preliminary state geologic map compilation released in 2005, with corrections and seven updated state geologic maps as well as seven new state geologic maps.