Collections

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Indiana

    Indiana’s geologic story includes ancient reefs, glacial deposits, and karst landscapes. Discover...

    Indiana

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Iowa

    Iowa’s rolling hills and river valleys were shaped by glaciers and ancient...

    Iowa

  • Journals on CD/DVD

    Includes content from the journals GSA Bulletin, Geology, and Geosphere.

    Journals on CD/DVD

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Kansas

    Kansas’s geology reflects ancient oceans, shifting climates, and fossil-rich deposits. Learn how...

    Kansas

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Kentucky

    Kentucky’s limestone bedrock gives rise to world-famous caves and sinkholes. Explore the...

    Kentucky

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Louisiana

    The Pelican State's geology is shaped by rivers, deltas, and coastal processes....

    Louisiana

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Maine

    Maine’s rugged glacial-carved coastline and mountains tell a story of continental collisions...

    Maine

  • Maps & Charts

    Peer-reviewed maps and charts published by GSA from 1959 onward, most available...

    Maps & Charts

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Maryland

    The Old Line State's geology spans mountains, coastal plains, and the Chesapeake...

    Maryland

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Massachusetts

    Massachusetts’s landscapes were carved by glaciers and shaped by ancient mountain-building events....

    Massachusetts

  • Book cover for Laurentia

    Memoirs

    Since 1934, the Memoir series presents thorough, well-illustrated treatments of topics that...

    Memoirs

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Michigan

    Michigan’s geology is defined by glaciers, ancient lakes, and mineral-rich regions. Discover...

    Michigan

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Minnesota

    Minnesota’s rocks record some of the oldest geologic history in North America...

    Minnesota

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Mississippi

    Mississippi’s geology reflects ancient seas, river systems, and coastal plains. Explore how...

    Mississippi

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Missouri

    The Show Me State's geology includes rolling hills, caves, and mineral deposits....

    Missouri

  • Book cover of 'Montana Rocks!' with a mountain and lake landscape.

    Montana

    Montana is where it all started for GSA's public science books. The...

    Montana

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Nebraska

    Nebraska’s geology reveals ancient rivers, dunes, and fossil beds. Discover Ashfall Fossil...

    Nebraska

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Nevada

    Nevada’s landscapes are shaped by faulting, volcanism, and basin-and-range tectonics. Learn how...

    Nevada

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    New Hampshire

    New Hampshire’s mountains and valleys reflect ancient tectonic collisions and glaciation. Explore...

    New Hampshire

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    New Jersey

    From the Appalachian Valley and Ridge, Highlands, Newark Basin Piedmont, Inner Coastal...

    New Jersey

  • Cover of the book Roadside Geology of New Mexico featuring a geological map of the state of New Mexico on a gradated brown and yellow background.

    New Mexico

    Nicknamed "The Land of Enchantment" for good reason, New Mexico’s geology showcases...

    New Mexico

  • Book cover of 'Montana Rocks!' with a mountain and lake landscape.

    New Releases

    Discover our newest scholarly and public science books, maps, and charts. 

    New Releases

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    New York

    New York’s geology includes mountains, waterfalls, and the Great Lakes region. Discover...

    New York

  • Cover for Field guide 77 with two horizontal photos. Top photo: Highway winding between exposure of tilted strata on a cloudy day. Bottom photo: Eroded sandstone outcrop with layered beds and a tall pillar-like rock formation in an arid desert landscape.

    New: Scholarly Books

    Here you'll find our Specialty Papers, Memoirs, and Field Guides written by...

    New: Scholarly Books

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    North Carolina

    North Carolina’s geology transitions from Appalachian mountains to coastal plains. Discover the...

    North Carolina

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    North Dakota

    North Dakota’s geology reflects ancient seas, glaciers, and river systems. Learn about...

    North Dakota

  • Cover for Field Guide 71, which has a photo of fallen trees and branches near an eroded sand and clay cliff topped with trees showing autumn colors.

    North-Central Section

    In 1966, the North-Central Section was established by the Council of the...

    North-Central Section

  • Cover for Field Guide 71, which has a photo of fallen trees and branches near an eroded sand and clay cliff topped with trees showing autumn colors.

    Northeastern Section

    The Northeastern Section was founded by the Council of the Geological Society...

    Northeastern Section

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Ohio

    The Buckeye State's landscapes were shaped by glaciers and shallow seas. Explore...

    Ohio

  • Book cover of 101 American Fossil Sites you've gotta see featuring an illustration of a fossilized reptile on a stone background.

    Oklahoma

    Oklahoma’s geology includes mountains, plains, and ancient fault systems. Discover how tectonics...

    Oklahoma