JACOB F. PLAPP
From Encyclopedia Dubuque
JACOB F. PLAPP. The 1868-69 and 1870-1871 Dubuque City Directory gave the address of this business as the north side of 13th between White and Jackson.
The 1873-74 Dubuque City Directory listed 13th and Jackson.
The 1874-1875 through 1886-1887 Dubuque City Directory listed 555 13th as the address.
The 1890-91 Dubuque City Directory listed 1331 Jackson.
