File Glass-plate negatives, camp, soldier, tent, wash, native man and mule cart (8), undated Box 1, F 5 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 5 (Accession#2643, Trelfa Collection Series 5 - Spanish-American War)
File Glass-plate negatives, dam, mill, scene (2), 1902, undated Box 1, F 5 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 6 (Accession#3072 - Trelfa Collection Series 6, Sepull Glass Negatives)
File Film negatives, Alpena, fishing operations (12), undated Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 2 (Accession #3074, Voegel Fish Hatchery/Boulton)
File Glass-plate negatives, Alpena (2), 1891, undated Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection - Series 1 (Accession #3071 - Boulton Collection)
File Glass-plate negatives, Alpena, egg hatching, lighthouse, lakes, ravine, roads, boulder, Misery Bay (8), 1914-1915, undated Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 4 (Accession#3073, Trelfa Collection Series 4 - Crowe Glass Negatives)
File Glass-plate negatives, Alpena, Thunder Bay Island, boats, life saving (5), 1886, undated Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 3 (No Accession#, Unknown Trelfa Collection)
File Glass-plate negatives, city, garden, officer, African American children, soldier, tent, gun (8), undated Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 5 (Accession#2643, Trelfa Collection Series 5 - Spanish-American War)
File Glass-plate negatives, dam, woods, tree, mill (2), 1902 Box 1, F 6 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 6 (Accession#3072 - Trelfa Collection Series 6, Sepull Glass Negatives)
File Film negatives, Alpena, fishing operations (12), undated Box 1, F 7 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 2 (Accession #3074, Voegel Fish Hatchery/Boulton)
File Glass-plate negatives, Alpena (6), 1890-1892, undated Box 1, F 7 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection - Series 1 (Accession #3071 - Boulton Collection)