see if there is a chapter of The Cascdians in your area. They are a group centered on backpacking and the chapter in central wash. teaches an alpine travel class every year. They instruct
on subjects as clothing,what kind of sleeping bags are available, cooking equipment all the things you will need an introduction on dealing with equipment and they include compass
and map, touch on GPS, self arrest, leave no trace and a host of other essential skills.
Another source may be your local mountain recue team.
Central wa. mountain rescue puts on a very well organized glacier travel couse in Yakima wa. there may be something on that line up there.
Good luck, have fun,be safe,leave no trace!!!
timy