What is a primary source? Objective Students will see how to use NPS web pages in their research. The following three sites will be shown to students: 1. Shiloh National Military Park Web Page 2. Junior Civil War Historian Web Page 3. Web Ranger Students will learn how to use NPS web pages in their research. Background Since 1916, the American people have entrusted the National Park Service with the care of their national parks. With the help of volunteers and park partners, we are proud to safeguard these more than 400 places and to share their stories with more than 275 million visitors ever Duration: 60 Minutes.