<div class="description">
Gjessing, Frederik C, field team; Boucher, Jack, photographer; Barker, Jack, historian</div>
Documentation compiled after 1933
<a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/vi0015.photos.166801p">https://www.loc.gov/pictures/item/vi0015.photos.166801p</a>