| Building Name | Address | City | ||
|---|---|---|---|---|
| 501 |
 |
175 North Main St | Aurora | |
| 502 |
 |
190 North Main St | Aurora | |
| 503 |
 |
105 North Main St | Aurora | |
| 504 |
 |
201 North Main St | Aurora | |
| 505 |
 |
NELSON-RICKS CREAMERY | 310 South Main St | Aurora |
| 506 |
 |
440 South Main St | Aurora | |
| 507 |
 |
450 South Main St | Aurora | |
| 508 |
 |
255 South Main St | Aurora | |
| 509 |
 |
390 South Main St | Aurora | |
| 510 |
 |
275 South Main St | Aurora | |
| 511 |
 |
DENMARK BRIDGE | State Road 260 | Aurora |
| 512 |
 |
380 South Main St | Aurora | |
| 513 |
 |
AUSTIN GENERAL FILE | Austin | |
| 514 |
 |
Aust-38 (#19) | Austin | |
| 515 |
 |
Aust-37 (#18) | Austin | |
| 516 |
 |
Aust-30 (#13) | Austin | |
| 517 |
 |
Aust-31 (#14) | Austin | |
| 518 |
 |
Aust-32 (#15) | Austin | |
| 519 |
 |
Aust-35 (#17) | Austin | |
| 520 |
 |
Aust-33 (#16) | Austin | |
| 521 |
 |
Aust-29 (#9) | Austin | |
| 522 |
 |
Aust-29b (#11) | Austin | |
| 523 |
 |
Site #6 | Burrville | |
| 524 |
 |
Site #9 | Burrville | |
| 525 |
 |
Site #2 | Burrville |