Horace H. Hayden

1769 – 1844

• Geological essays, or, An inquiry into some of the geological phenomena to be found in various parts of America and elsewhere
• Geological Essays; Or: An Inquiry Into Some of the Geological Phenomena to be Found in Various ..
• Geological essays, or, An enquiry into some of the geological phenomena to be found in various parts of America, and elsewhere
• Geological essays..
• Geological essays; or
• Remarks on a case of aneurism