| | NARA - Prologue - Prologue |
 | | The largest number of Civil War maps and plans in the Cartographic section are found in Record Group 77, Records of the Office of the Chief of Engineers. |
 | | In addition to records relating to military fortifications in Record Group 77, the Cartographic section maintains records related to army installations in the Post and Reservation Map File of Record Group 92, Records of the Office of the Quartermaster General. |
 | | By consulting the map of the defenses of Washington in Record Group 77, we are able to pinpoint the location of both of these forts near Chain Bridge in Arlington, Virginia (Dr.171-97). |
| www.archives.gov /publications/prologue/2003/summer/civil-war-maps.html (4379 words) |