Your search for "Intro to mountaineering" revealed the following:

Location
Snoqualmie Pass, WA
or
Mt Baker, WA
Skill level
Beginner
Duration
1 Day
Location
Lake Tahoe, CA
or
Mammoth Lakes, CA
Skill level
Beginner
Duration
1 Day
Location
Mammoth Lakes, CA
Skill level
Beginner Intermediate
Duration
1 Day
Location
Lake Tahoe, CA
Skill level
Beginner
Duration
1 Day
Location
Lake Tahoe, CA (Donner Summit)
Skill level
Beginner / Intermediate
Duration
1 Day
Location
Mt Baker, WA
Skill level
Intermediate-Advanced
Duration
5 Days
Location
Lake Tahoe, CA
Skill level
Beginner - Intermediate
Duration
4-5 Days
Location
North Cascades
Skill level
Advanced Expert
Duration
1-7 Days
Location
Mt Erie, WA
Skill level
Beginner Intermediate Advanced
Duration
1 Day
Location
Lake Tahoe - Donner Summit / Big Chief
Skill level
Beginner Intermediate Advanced
Duration
Full or Half Day
Location
Eastern Sierra
Skill level
Intermediate Advanced
Duration
1 Day
Location
Truckee, CA
Skill level
Intermediate Advanced Expert
Duration
1 Day
Location
California, Washington, International
Skill level
Intermediate Advanced Expert
Duration
1-7 Days
Location
Eastern Sierra
Skill level
Intermediate Advanced Expert
Duration
1-7 Days
Location
Mt Baker
Skill level
Intermediate Advanced
Duration
2-3 Days
Location
Southern Chile - Patagonia
Skill level
Advanced
Duration
7 Days
Location
Mt Baker
Skill level
Intermediate Advanced Expert
Duration
1-3 Days
Location
Snoqualmie Pass, WA
or
Mt Baker, WA
Skill level
Intermediate Advanced
Duration
1 Day
Location
Tahoe - Donner Summit
Skill level
Beginner Intermediate Advanced
Duration
2-8 Hours
Location
Index, WA
Skill level
Intermediate Advanced
Duration
1 Day
Location
Snoqualmie Pass, WA
or
Mt Baker, WA
Skill level
Touring Experience
Duration
2 Days
Location
Around the World
Skill level
Intermediate Advanced
Duration
1-7 Days
Location
Mt Baker
Skill level
Intermediate
Advanced
Expert
Duration
1-3 Days
Skiing the North Cascades: Top Descents and Classic Ski Mountaineering Lines
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Skiing the North Cascades: Top Descents and Classic Ski Mountaineering Lines
How to Become a Backcountry Skier
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How to Become a Backcountry Skier