<div class="fn value">
<p>Related names:
</p>
<dl><dd>Gruber, Franklin Henry; Gruber, Adam; Gruber, Jacob; Gruber, George; Gruber, John; Gruber, Franklin P; United States Army Corp of Engineers, historian; Lubow, Allen, delineator; Perkins, Julie, delineator; Vestadt, Rick, delineator; Schaaf, Roland David, delineator; Christianson, Justine, transmitter</dd></dl></div>
Documentation compiled after 1968
<a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/pa0102.sheet.00003a">https://www.loc.gov/pictures/item/pa0102.sheet.00003a</a>