데이비드 데일 오언

Top works

• Continuation of report of a geological reconnoissance of the state of Indiana, made in the year 1838, in conformity to an order of the Legislature
• Systematic catalogue of plants of Wisconsin and Minnesota, made in connexion with geological survey of the Northwest, during the season of 1848
• Illustrations to the geological report of Wisconsin, Iowa, and Minnesota
• Second report of a geological survey of the state of Indiana, made in the year 1838
• Catalogue of mineralogical and geological specimens, at New-Harmony, Indiana