Statistics for occurrence #1 of “Dahlgren” in entry cannon of Harper's Encyclopedia of United States History:

...jor Wade, 1840. First 12-in. columbiad; weight, 25,510 lbs.; extreme range, 5,761 yds.; weight of shell, 172 lbs.; charge of powder, 20 lbs.; cast at the South Boston foundry, July 8, 1846. Dahlgren gun, of iron, cast solid and cooled from the exterior, very thick at breech and diminishing to muzzle; first cast, May, 1850. Rodman gun, a columbiad model, smooth-bore, made by the Rodman proces...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John Adolph Dahlgren 70 27 4 1 0 user votes
Ulric Dahlgren 958 23 42 1 0 user votes
Dahlgren 827 0 205 0 0 user votes
John A. Dahlgren 432 0 18 0 0 user votes
J. A. Dahlgren 209 0 1 0 0 user votes
U. Dahlgren 131 0 1 0 0 user votes
Charles B. Dahlgren 55 0 5 0 0 user votes
John Dahlgren 27 0 13 0 0 user votes
Ulrich Dahlgren 17 0 1 0 0 user votes
Ad Dahlgren 16 0 0 0 0 user votes
J. H. Dahlgren 10 0 0 0 0 user votes
Charles G. Dahlgren 5 0 1 0 0 user votes
Jonathan A. Dahlgren 4 0 0 0 0 user votes
C. G. Dahlgren 2 0 0 0 0 user votes
M. V. Dahlgren 2 0 2 0 0 user votes
Madeleine Vinton Dahlgren 2 2 0 0 0 user votes
Madeline Vinton Dahlgren 1 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.