19 1900 "Hamming it up" at Chautauqua     |
| 20 1900 - 01 Silver Lake Ditch near Goat Rock, or Elephant Buttress |
| 21 1900 1015 Walnut Fred Wylam's Blacksmith Shop 1896-1905. Next door is 1011 Walnut |
| 22 1900 1025 Pearl Brainard Hotel |
| 23 1900 1036 Water (Canyon) Red Light District opened 1893 |
| 24 1900 1050 Walnut FH Gilcrest Lumber |
| 25 1900 10th & Walnut North A.J. Nelson Liquor & Cigars |
| 26 1900 1110 Pearl Assayer & Chemist |
| 27 1900 1114 Pearl Golden Rule Store & Sing Lee laundry at 1112 Pearl Street in the Brace-Ellet block |
| 28 1900 11th & Pearl East |
| 29 1900 11th & Pearl West |
| 30 1900 11th & Spruce |
| 31 1900 11th & Water (Canyon) In the Oil Boom Days |
| 32 1900 1201 Spruce Boulder City Clubhouse 1892-1937 |
| 33 1900 1206 Euclid Avenue Harbeck House |
| 34 1900 1230 Pearl Frank Jordinelli Liquor |
| 35 1900 1230 Pearl Frank Jordinelli saloon Cook's Restaurant, at 1234 Pearl Street, is visible. |
| 36 1900 1235 Elder Avenue Orchard Fruit Farm |
| 37 1900 1240 Pearl Street Frank Hiskey Boot and Shoe Store |
| 38 1900 1246 Walnut Dairy Building Trucks on 13th |
| 39 1900 12th St Current Wheel |
| 40 1900 1300 block of 5th Street looking south from Anderson Ditch |
| 41 1900 1341 12th Street Dairy Farm. 1st in 1870s |
| 42 1900 13th & Pearl Electric Train. Courthouse in Back |
| 43 1900 1400 block Pearl North Military on Parade |
| 44 1900 14th & Pearl Masonic Temple |
| 45 1900 14th 2000 block East across from Court House |
| 46 1900 15th & Canyon South from Boulder Creek & Highlands School on 9th & Arapahoe |
| 47 1900 15th & Mapleton South |
| 48 1900 1763 - 77 Broadway West Side. Sturtevant's Studio and Streetcar Visisble |
| 49 1900 1814 Broadway, Broadway & Canyon Boulder Branch of the P.H. Zang Brewing Co |
| 50 1900 1921 Broadway Jacob Faus Blacksmith shop |
| 51 1900 1945 18th Jefferson School built 1899 |
| 52 1900 4th & Mapleton Sanitarium |
| 53 1900 602 Spruce Street photographs |
| 54 1900 832 Pearl Rocky Mountain Joe's photography studio "The Cabinet" German House at 807 Pearl are in the background of this photo. The 800 Block North Side |
| 55 1900 9th & Aurora Mount Saint Gertrude's Academy |
| 56 1900 along Baseline. Baseline Reservoir behind it. An oil derrick is in the distance at right |
| 57 1900 Boulder Circus Camels |
| 58 1900 Boulder High Field Football SE |
| 59 1900 Bowen's Hotel 1889-1907 1302 Walnut (American House 1875-89) |
| 60 1900 Boy's Club on a Hike Chautauqua |
| 61 1900 Boys and Girls of the Chautauqua |
| 62 1900 Boys Club at the Chautauqua |
| 63 1900 Canyon between 4th & 5th Kilton Sampling Works built 1895 burned 1907 |
| 64 1900 Chautaqua House |
| 65 1900 Chautauqua Boys club NW |
| 66 1900 Chautauqua Cottage |
| 67 1900 Chautauqua cottage for teacher's of Hot Springs, Arkansas |
| 68 1900 Chautauqua Cottage for Texas Teachers |
| 69 1900 Chautauqua Kindergarten |
| 70 1900 Chautauqua Tent |
| 71 1900 Chautauqua Universal Automatic Gate |
| 72 1900 Chautauqua's Dining Hall Stairs |
| 73 1900 Chautauqua's Ticket Office |
| 74 1900 Circus Camels |
| 75 1900 Circus Tent |
| 76 1900 Colorado & Southern railroad bridge crossing Boulder Creek near 11th Street. Flagstaff Mountain, as well as, Highland school are in the background |
| 77 1900 Cottage #31 |
| 78 1900 CU Track Team Pole Vault |
| 79 1900 CU Woman's Cottage, Hale Science Building & Old Main |
| 80 1900 Deer in Chautuaqua |
| 81 1900 East from Flagstaff Mountain |
| 82 1900 Flagstaff Mountain Ladies |
| 83 1900 fm Lovers Hill North |
| 84 1900 fm North of Town Mapleton School in back |
| 85 1900 fm Sunset (Lovers) hill. view down 14th street, with courthouse on right |
| 86 1900 from 19th and Mapleton looking SW |
| 87 1900 From Lover's Hill when Lover's Hill extended across 13th St. |
| 88 1900 Goat Rock Boulder Canyon Mouth |
| 89 1900 Hale Science Building at University of Colorado |
| 90 1900 Happy Hollow, Jacksonville, Chautauqua |
| 91 1900 Harmony Lodge |
| 92 1900 Klinnikinic Rd & Clematis Dr. Chataqua Woodbine Studio? |
| 93 1900 Knights Templar at the Courthouse court house |
| 94 1900 Mapleton Hill fm Pine or Spruce 1st Congretional Church at left, Central School in center. Farmers ditch |
| 95 1900 Masonic Temple |
| 96 1900 Masonic Temple Front Door |
| 97 1900 Morning Cottage |
| 98 1900 Mother Grandy Rock Red Rocks |
| 99 1900 Mount Saint Gertrude's Academy SW |
| 100 1900 New Brewery 952 Arapahoe |
| 101 1900 north side of Walnut just west of 3rd Street Atlas & Delano Mill |
| 102 1900 NW 11th & Pearl Trezise Undertaking |
| 103 1900 Outside the Boulder County Court House |
| 104 1900 Panoramic Shot of Boulder from about 17th & Mapleton |
| 105 1900 Pearl & Broadway Golden Rule Store |
| 106 1900 Pearl Brainard Hotel |
| 107 1900 Plowing Chautauqua |
| 108 1900 Railroad tracks at mouth of Boulder Canyon |
| 109 1900 Railway Cars & Conductors |
| 110 1900 Railway Cars and Conductors |
| 111 1900 Sanitarium West |
| 112 1900 Valmont to Weisenhorn's Lake |
| 113 1900 View of Boulder from Broadway just South of Arapahoe. Current location of Boulder High football field. |
| 114 1900 W.P. Taylor's greenhouse on 1764 Broadway' |
| 115 1900 Woodbine |
| 116 1900 Woodbine |
| 117 1900 Woodbine |
| 118 1900 Woodbine |
| 119 1900 Woodbine Chauauqua Joseph Sturtevant |
| 120 1900 Yount Flour Mill & Beasley Ditch |
| 121 1900-1 Goat Rock Boulder Canyon Mouth |
| 122 1900? Chautauqua Auditorium SW |
| 123 1900? fm Chautauqua Theater SW |
| 124 1900? Old Main Graduation |
| 125 1900s boulder sanitarium |
