Ground plan of P56 as published by William Gregory Wood-Martin in his article <i>The Rude Stone Monuments of Ireland (Continued).</i> The Journal of the Royal Historical and Archaeological Association of Ireland, Fourth Series, 8, no. 70 (1887): 50–94. Original caption:<br>Fig. 66.—Ground Plan of No. 56 Monument, Carrowmore. (Scale, 20 feet to 1 inch.)
<bdi><a href="https://en.wikipedia.org/wiki/en:William_Gregory_Wood-Martin" class="extiw" title="w:en:William Gregory Wood-Martin"><span title="Irish antiquarian">William Gregory Wood-Martin</span></a>
</bdi>
1887
Fig. 66 of W. G. Wood-Martin, <a rel="nofollow" class="external text" href="https://archive.org/stream/journalofroyalso18royauoft#page/52/mode/2up"><i>The Rude Stone Monuments of Ireland (Continued).</i></a> The Journal of the Royal Historical and Archaeological Association of Ireland, Fourth Series, 8, no. 70 (1887): 50–94. This file was derived from <i>journalofroyalso18royauoft_raw_0079.jp2</i> out of <a rel="nofollow" class="external text" href="https://archive.org/download/journalofroyalso18royauoft/journalofroyalso18royauoft_raw_jp2.zip"><i>journalofroyalso18royauoft_raw_jp2.zip</i></a> and postprocessed (cropping, rotating, making the background transparent).