| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 226 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 227 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 228 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 229 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 230 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 231 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 232 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 233 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 234 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 235 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 236 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 237 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 238 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 239 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 240 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 241 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 242 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 243 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 244 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 245 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 246 |
 |
Mt. Pleasant Pyramid | 1916-10-27 | unclassified | |
| 247 |
 |
Mt. Pleasant Pyramid | 1917-10-05 | unclassified | |
| 248 |
 |
Mt. Pleasant Pyramid | 1917-10-05 | unclassified | |
| 249 |
 |
Mt. Pleasant Pyramid | 1917-10-05 | unclassified | |
| 250 |
 |
Mt. Pleasant Pyramid | 1917-10-05 | unclassified |