Geological Society of Iowa Virtual Field Trip #70
 The Natural History of Pikes Peak State Park, Clayton County, Iowa

 

view of Mississippi River Valley
 

click on image for full-size view

 
upriver towards Prairie du Chien


upriver with Miss Marquette river boat


across and up Wisconsin River Valley


compare upstream views 1905 and 2000


view across river when Marquette and Joliet arrived 1673