National Historic Register properties in Ludlow, South Dakota

• Archeological Site No. 39HN1
• Archeological Site No. 39HN121
• Archeological Site No. 39HN150
• Archeological Site No. 39HN155
• Archeological Site No. 39HN159
• Archeological Site No. 39HN160
• Archeological Site No. 39HN162
• Archeological Site No. 39HN165
• Archeological Site No. 39HN167
• Archeological Site No. 39HN168
• Archeological Site No. 39HN17
• Archeological Site No. 39HN171
• Archeological Site No. 39HN174
• Archeological Site No. 39HN177
• Archeological Site No. 39HN18
• Archeological Site No. 39HN198
• Archeological Site No. 39HN199
• Archeological Site No. 39HN205
• Archeological Site No. 39HN207
• Archeological Site No. 39HN208
• Archeological Site No. 39HN209
• Archeological Site No. 39HN21
• Archeological Site No. 39HN210
• Archeological Site No. 39HN213
• Archeological Site No. 39HN217
• Archeological Site No. 39HN218
• Archeological Site No. 39HN219
• Archeological Site No. 39HN22
• Archeological Site No. 39HN227
• Archeological Site No. 39HN228
• Archeological Site No. 39HN232
• Archeological Site No. 39HN234
• Archeological Site No. 39HN26
• Archeological Site No. 39HN30
• Archeological Site No. 39HN484
• Archeological Site No. 39HN485
• Archeological Site No. 39HN486
• Archeological Site No. 39HN487
• Archeological Site No. 39HN5
• Archeological Site No. 39HN50
• Archeological Site No. 39HN53
• Archeological Site No. 39HN54
• Giannonatti Ranch
• Lightning Spring (39HN204)