This site is committed to ensuring that its site is accessible to all users. The main content of the website is divided into three major sections：
1. Top main menu area. 2. Center main content area. 3. Footer contact and menu area
Shortcuts for this website﹝Accesskey﹞set as follows：
Alt+U：Top main menu area：Include home button, main menu and search function.
Alt+C：Center main content area.
Alt+Z：Footer：Include menu and contact information.
Alt + R：Exploring historic trails page second menu.Use Alt + C to the main content area,then use this accesskey to open the right side second menu.