Yep, and some of the older manuals listed loads that today's manuals (with lawyered up loads) consider too hot. As a Newb, stick with the data in the manuals, and slowly work towards the higher loads.
Best wiishes in an exciting sport, and remember, if you want 300 magnum ballistics -- buy a 300 magnum, and don't hot load the 30-06 to that level.
