Favorite this☆ Penobscot Building at Griswold and Fort Description: Penobscot building, still under construction, at the corner of Griswold and Fort streets, designed by Wirt C. Rowland the forty-seven story building was completed in 1928. Recorded in glass negative ledger: "D/Streets-Fort." Details Resource ID: EB02f171 Subject: Office buildings--Michigan--Detroit Skyscrapers--Michigan--Detroit Rowland, Wirt C. (Wirt Clinton), 1878-1946 Smith, Hinchman and Grylls Glass negatives Date Issued: Unknown year Format: 1 negative : glass ; 9.75 x 8 in. Member of: Burton Historical Collection Negative Number: BHC glass neg. no. 2898 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.