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| Subject/Photo | Publication | Page |
| U
S Leasing XM-32B/C/D box car Cascade green |
BB
7 |
18 |
| U23C
#463 experimental green/white scheme (10/69) |
BB35 |
130 |
| U23C
green/white transitional scheme (7/69) |
BB35 |
99+ |
| U25B
#100 with NYC/PC pool (10/68) |
C
98 |
4 |
| U25B
#100, 101, 102, 104 eastern Colorado train #63 |
C
02 |
8+ |
| U25B
#2537 NYC pool Elkhart-Cicero (c1968) |
C
92 |
6 |
| U25B
#2560 NYC in CB&Q/NYC/PC pool (10/68) |
C
98 |
4 |
| U25C
#550 & #555 & #558 Henry, Ne. |
BB31 |
32+ |
| U25C
#556 & #557 & #559 Antioch (11/65) |
BB
9 |
11 |
| U25C
#556 overhead view Burlington Shops |
BB26 |
77 |
| U25C
#556, 557 stock train #80 (11/65) |
BB25 |
1+ |
| U28C
#564 Barr, Co. (9/66) |
C
90 |
16 |
| U28C
#570 & 6 others diesels Wind River Canyon (9/68) |
C
00 |
24 |
| U28C
#572 Wind River Canyon (6/67) |
C
01 |
12+ |
| U28C
#574 Broken Bow, Ne. (10/66) |
BB25 |
124 |
| U30B
#142, 146 pool, New York Central (c1968) |
C
92 |
6 |
| U30B
#151 sugar beet train (1/70) |
BB32 |
44+ |
| U30B
#154 (1968) |
C
98 |
14+ |
| Underbody
details baggage class BA-19/19A |
BB36 |
56-7 |
| Underpass
rebuilding |
Z
50 |
16+ |
| Underpass
rebuilding Interstate #294 Hinsdale, Il |
Z
51 |
12+ |
| Union
Electric plant Portage des Sioux (1966) |
BB35 |
97 |
| Union
Pacific loco #836 and Zephyr unit Omaha (10/50) |
C
95 |
18 |
| Union
Pacific pool cabooses silver paint |
Z
35 |
13 |
| Union
Pacific pool power, Chicago-Grand Island (3/61) |
C
94 |
12+ |
| Union
Refrigerator billboard reefer examples |
BB28 |
4 |
| Union
Refrigerator Transit Co. billboard reefer |
BB28 |
20 |
| Union
Switch & Signal Car Retarder System panel |
Z
36 |
24 |
| Union
Switch & Signal CTC board Red Oak, and operator |
RO |
7 |
| Unit
train hoppers class HT-11 Shawnee Steam (1964) |
BB35 |
94 |
| Unit
train hoppers class HT-12 (1966) |
BB35 |
96-7 |
| Unit
trucks 100,000th box car #37000 (XM-32) (7/48) |
BB
7 |
12 |
| Unit
trucks 100,000th box car (#37000) (7/48) |
Z
38 |
8+ |
| United
States Envelope Co. drinking cups for Zephyr
advert (4/34) |
BB43 |
36 |
| United
States Rubber Co. rubber supplies for Zephyr
advert (4/34) |
BB43 |
26-7 |
| United
States Steel Corp stainless steel for Zephyr
advert (4/34) |
BB43 |
40-1 |
| Unusual
structures Coalfields |
BB35 |
198-9 |
| UP
& PRR & Q pool train #63 Denver (3/68) |
C
02 |
24+ |
| USRA
composite gondolas (GA-15) BP (1/19) |
DS
7 |
3 |
| USRA
double sheathed box car (XM-24) history |
DS
4 |
1 |
| Utah
Idaho Central bus (as Burlington Trailways) (10/50) |
BB24 |
45 |