Parker's sectional & geological map of Iowa exhibiting her iron, lead, copper, coal and other geological resources and all rail roads completed in progress, and projected compiled from the U.S. surveys and personal reconnoisance. By Nathan H. Parker author of "Iowa As It Is" Clinton Io. 1856 by parker, nathan h.

Library of Congress — Maps

Assateague Island National Seashore, Maryland and Virginia, Chincoteague National Wildlife Refuge, Virginia, official map and guide

u.s. fish and wildlife service

Parker's sectional & geological map of Iowa exhibiting her iron, lead, copper, coal and other geological resources and all rail roads completed in progress, and projected compiled from the U.S. surveys and personal reconnoisance. By Nathan H. Parker author of "Iowa As It Is" Clinton Io. 1856