Because of request by various schools you can now download pictures from this site free for educational use only. To pubish in any educational publication get permission first and use a credit line in all cases. With permission the watermark can be removed from pictures.The Louisiana Purchase doubled the area of the United States. This 1803 treaty with France extended the western U.S. boundary from the Mississippi River to the Rocky Mountains. Part or all of 15 states were later formed from this region. This land was purchased from France for about $15 million dollars. Other personal photos are in the St. Charles gallery. Many of the pictures have additional details and history attached to the photo.For information on this gallery contact Rod Dierking at : www.rd4802@earthlink.net BE SURE TO SEE MY GALLERY ON A FEW FAVORITE PHOTOGRAPHS. Also the U.S. Government Lewis & Clark web site features many of these photographs, At: http://www.lewisandclark200.gov Also see featured pictures at; http://www.fanartreview.com/selectprofilegallery.jsp?userid=3343