The adage “Go west, young man”, reputedly popularised by New York Tribune founder Horace Greeley, conjures a vivid impression of the 19th-century American frontier as a place of masculine action and opportunity. But this wasn't necessarily the whole picture. Here, Karen R Jones reveals why the 19th-century American frontier story needs to be rewritten with an expanded cast of tough, enterprising women who flouted gender norms – from the real 'Calamity Jane' to a gambling entrepreneur k...