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Maps are found in the pocket in the back and show measured sections and fossil collecting sites including both Cooper's and WSA sites. JDC are his locations. 'Es' stands for Escondido, the formation he studied. 'Ma' is obviously 'Maverick'.
| Coordinate ID | Type | Lat | Long | Radius of Uncertainty (meters) | Notes |
| El Indio Rch | Locality 1 | 28.523349 | -100.366966 | 400 | |
| Stone Ranch | Locality 1 | 28.470472 | -100.360143 | 200 | |
| Sullivan Ranch House | Locality 1 | 28.591454 | -100.324072 | ruins visible on Google | |
| -4 | Locality 1? | 28.521766 | -100.387823 | 49 | |
| JDC loc 5? | Locality 2 | 28.697409 | -100.458545 | 400 | 2 |
| JDC loc-8b | Locality 2 | 28.617648 | -100.441553 | 400 | Fortress Bluff3 |
| JDC Ma-Es-1 | Locality 2 | 28.733692 | -100.470046 | 508 | |
| JDC Ma-Es-10 | Locality 2 | 28.526743 | -100.305984 | 400 | |
| JDC Ma-Es-11 | Locality 2 | 28.536093 | -100.308516 | 100 | |
| JDC Ma-Es-12 | Locality 2 | 28.543332 | -100.272467 | 354 | |
| JDC Ma-Es-13 | Locality 2 | 28.547554 | -100.262682 | 400 | |
| JDC Ma-Es-14 | Locality 2 | 28.538883 | -100.286200 | 340 | |
| JDC Ma-Es-15 | Locality 2 | 28.521690 | -100.282552 | 400 | |
| JDC Ma-Es-16 | Locality 2 | 28.494462 | -100.331475 | 400 | |
| JDC Ma-Es-17 | Locality 2 | 28.485108 | -100.334222 | 600 | |
| JDC MA-Es-18? | Locality 2 | 28.619231 | -100.317699 | 600 | |
| JDC Ma-ES-28 | Locality 2 | 28.648234 | -100.486013 | 600 | Mexico |
| JDC Ma-Es-3? | Locality 2 | 28.696355 | -100.490817 | 300 | 1 |
| JDC Ma-Es-3? | Locality 2 | 28.697560 | -100.492190 | 370 | 1 |
| JDC Ma-Es-7 | Locality 2 | 28.621416 | -100.441210 | 400 | |
| JDC Ma-Es-8 | Locality 2 | 28.672411 | -100.444812 | 800 | |
| JDC Ma-Es-9 | Locality 2 | 28.518598 | -100.328428 | 360 | |
| WSA Ma->>> | Locality 2 | 28.713068 | -100.456656 | 500 | 2 |
| WSA Ma-10a-Es | Locality 2 | 28.719843 | -100.477428 | 508 | |
| WSA Ma-16-Es | Locality 2 | 28.513621 | -100.301263 | 400 | |
| WSA Ma-1-Es | Locality 2 | 28.609435 | -100.332806 | 456 | just N of Sullivan Ranch house |
| WSA Ma-2-Es | Locality 2 | 28.431079 | -100.289247 | 200 | |
| WSA Ma-4-Es | Locality 2 | 28.730230 | -100.479659 | 600 | |
| WSA Ma-6-Es | Locality 2 | 28.697560 | -100.492190 | 373 | |
| WSA Ma-8-ES | Locality 2 | 28.527874 | -100.264356 | 299 | |
| MS Es-Ma-?? | Measure Section | 28.719843 | -100.477428 | 508 | |
| MS Es-Ma-1 | Measure Section | 28.714574 | -100.491504 | 774 | |
| MS Es-Ma-10 | Measure Section | 28.520634 | -100.324652 | 400 | |
| MS Es-Ma-11 | Measure Section | 28.518900 | -100.307528 | 400 | |
| MS ES-MA-15 | Measure Section | 28.453268 | -100.336968 | 800 | don't line up too well |
| MS Es-Ma-16 | Measure Section | 28.525989 | -100.389196 | 600 | |
| MS Es-Ma-18 | Measure Section | 28.599413 | -100.449106 | 400 | Mexico |
| MS Es-Ma-2 | Measure Section | 28.711261 | -100.479650 | 400 | |
| MS Es-Ma-4 | Measure Section | 28.733692 | -100.470046 | 508 | |
| MS Es-Ma-6 | Measure Section | 28.630155 | -100.440866 | 2000 | two locs on map, thus uncertainty |
| MS Es-Ma-7 | Measure Section | 28.704185 | -100.461978 | 500 | |
| MS Es-Ma-8 | Measure Section | 28.584943 | -100.393316 | 600 | |
| MS Es-Ma-9 | Measure Section | 28.497781 | -100.331733 | 400 |