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| Name | Last modified | Size | Description |
|---|---|---|---|---|
| Parent Directory | - | ||
| 20_Mule_team_2_wagons_and_water.jpg | 2011-10-12 18:19 | 3.9K | |
| 20_mule_team__Death_Valley.jpg | 2011-10-12 18:19 | 4.7K | |
| 20_mule_team_desert_mag_photo_enhanced.jpg | 2011-10-12 18:19 | 6.3K | |
| Baltimore_and_Ohio_Railroad_1830.jpg | 2011-10-12 18:19 | 12K | |
| Bison_skull_pile,_ca1870.jpg | 2011-10-12 18:19 | 9.8K | |
| California_wagon_train.jpg | 2011-10-12 18:19 | 4.6K | |
| Clermont_by_Fulton.jpg | 2011-10-12 18:19 | 7.3K | |
| Conestoga_wagon.jpg | 2011-10-12 18:19 | 7.5K | |
| Cycling_goldminer_1895.jpg | 2011-10-12 18:19 | 8.7K | |
| Great_railroad_strike_of_1877.jpg | 2011-10-12 18:19 | 8.2K | |
| Lewis_Hine_Power_house_mechanic_working_on_steam_pump.jpg | 2011-10-12 18:19 | 7.2K | |
| commerce_2/ | 2011-10-12 18:19 | - | |
| dockside_early_1800s.jpg | 2011-10-12 18:19 | 11K | |
| flatboat.jpg | 2011-10-12 18:19 | 5.7K | |
| panning_for_gold.jpg | 2011-10-12 18:19 | 11K | |
