36:
60:
97:
77:
122:
127:
132:
37:
Transportation buildings and structures on the
National Register of Historic Places in Washington, D.C.
116:
61:
Rail transportation on the
National Register of Historic Places in Washington, D.C.
101:
81:
40:
64:
98:
Ships on the
National Register of Historic Places in Washington, D.C.
78:
Roads on the
National Register of Historic Places in Washington, D.C.
20:
This category has the following 4 subcategories, out of 4 total.
123:
Transportation on the
National Register of Historic Places
128:
National
Register of Historic Places in Washington, D.C.
8:
7:
133:Transportation in Washington, D.C.
74:
57:
33:
22:
14:
1:
149:
140:
103:
83:
76:
66:
59:
42:
35:
148:
147:
143:
142:
141:
139:
138:
137:
113:
112:
111:
110:
109:
108:
105:
104:
88:
85:
84:
73:
68:
67:
56:
47:
44:
43:
32:
12:
11:
5:
146:
144:
136:
135:
130:
125:
115:
114:
107:
106:
96:
95:
92:
89:
87:
86:
72:
71:
69:
55:
54:
51:
48:
46:
45:
31:
30:
27:
24:
23:
18:
15:
13:
10:
9:
6:
4:
3:
2:
145:
134:
131:
129:
126:
124:
121:
120:
118:
99:
94:
93:
90:
79:
75:
70:
62:
58:
53:
52:
49:
38:
34:
29:
28:
25:
21:
17:Subcategories
16:
19:
117:Categories
82:(2 C, 9 P)
41:(4 C, 3 P)
102:(2 P)
65:(1 C)
119::
100:
80:
63:
39:
91:S
50:R
26:B
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