1786-1850 19thcentury american belshaw biography californianationalhistorictrail cooking descriptionandtravel diaries discoveryandexploration dorion equipmentandsupplieslewisandclarkexpedition(1804-1806) explorers foodhabits frontierandpioneerlife george history mariaparsons marie oregontrail overlandjourneystothepacific pioneers wagons westernstyle