| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 176 |
 |
Mt. Pleasant Pyramid | 1915-04-30 | unclassified | |
| 177 |
 |
Mt. Pleasant Pyramid | 1915-04-30 | unclassified | |
| 178 |
 |
Mt. Pleasant Pyramid | 1915-04-30 | unclassified | |
| 179 |
 |
Mt. Pleasant Pyramid | 1915-04-30 | unclassified | |
| 180 |
 |
Mt. Pleasant Pyramid | 1915-04-30 | unclassified | |
| 181 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 182 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 183 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 184 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 185 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 186 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 187 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 188 |
 |
Mt. Pleasant Pyramid | 1916-04-07 | unclassified | |
| 189 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 190 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 191 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 192 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 193 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 194 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 195 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 196 |
 |
Mt. Pleasant Pyramid | 1916-04-14 | unclassified | |
| 197 |
 |
Mt. Pleasant Pyramid | 1916-04-21 | unclassified | |
| 198 |
 |
Mt. Pleasant Pyramid | 1916-04-21 | unclassified | |
| 199 |
 |
Mt. Pleasant Pyramid | 1916-04-21 | unclassified | |
| 200 |
 |
Mt. Pleasant Pyramid | 1916-04-21 | unclassified |