Castle Murray on Rockhill along the Warrentown Railroad near Auburn, Virginia where Union Cavalry General Alfred Pleasonton made his headquarters in the Autumn of 1863.
Unknown author<span style="display: none;">Unknown author</span>
File from <i><a rel="nofollow" class="external text" href="https://archive.org/stream/photographichist04mill#page/n248/mode/1up">The Photographic History of The Civil War in Ten Volumes: Volume Four, The Cavalry</a></i>. The Review of Reviews Co., New York. 1911. p. 248.