| Lewis-&-clark Zip Code, Montana - USA | |||
| AUGUSTA | 59410 | 47.444053 | -112.513362 |
| CANYON CREEK | 59633 | 47.184233 | -112.330214 |
| EAST HELENA | 59635 | 46.633769 | -111.852594 |
| FORT HARRISON | 59636 | 46.609677 | -112.121494 |
| HELENA | 59601 | 46.70934 | -112.197616 |
| HELENA | 59602 | 46.707449 | -111.957961 |
| HELENA | 59604 | 46.6672 | -111.968877 |
| HELENA | 59620 | 47.184233 | -112.330214 |
| HELENA | 59623 | 46.590083 | -112.040173 |
| HELENA | 59624 | 46.610002 | -112.062393 |
| HELENA | 59625 | 46.601832 | -112.041346 |
| HELENA | 59626 | 47.184233 | -112.330214 |
| LINCOLN | 59639 | 46.958253 | -112.623833 |
| MARYSVILLE | 59640 | 46.749945 | -112.299402 |
| WOLF CREEK | 59648 | 47.085616 | -112.147602 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.