Well - here we are. Oregon is the centre of all things thunderegg. It is even the Oregon 'state rock' - and with good reason, as there are over 100 beds of thundereggs here, including some of the most famous.
Richardson Ranch / Priday (General)
As yet unclassified
Richardson Ranch Opal Bed
Richardson Ranch Moss Bed
Richardson/Priday Flat bed
Richardson Bed #2
Richardson Bed #6
Pony Butte 'Lower Hole'
Ochs Ranch / Pony Creek
Friend Ranch 'Bed 2'
Pink Abby Thunderegg
Mill Creek Drainage - Fallen Tree
Mill Creek Drainage - Harvey Gap / Killer Green Eggs
Mill Creek Drainage - Fred's Bed
Mill Creek Drainage - White Rock Springs
New White Rock / 'Mudball' Thundereggs
Mill Creek Drainage - Mill Creek/Stein's Pillar
Mill Creek Drainage - Lemon Tree
Mill Creek Wilderness - Sandy's bed
Mill Creek Drainage - Yellow Jacket
Mill Creek Wilderness - Viewpoint/Ochoco Agate bed