Igneous Rock Formations - A Laccolith
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Download IIIF ManifestRequest permissionsDownload image PrintA laccolith, an igneous rock intrusion exposed at surface by weathering away of sedimentary rock cover.
Smithsonian Institution Archives, Record Unit 7177, Image No. SIA2019-000514
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
Black-and-white photographs
SIA RU007177 [SIA2019-000514]
Gelatin silver prints