Wikimedi'Òc

Oregon quarter, reverse side, 2005.jpg - Dbenbenn

Oregon quarter, reverse side, 2005.png - Dbenbenn

2005 OR Proof.png - Keeleysam

ThundereggOR.jpg - Cacophony

Papiliooregoniusstamp.jpeg - Gwillhickers

ORCapitolSeal.jpg - Cacophony

ORCapitolSealProvisional.jpg - Cacophony

Friend ranch-thunderegg.JPG - Eibonvale~commonswiki

Seal of the Oregon Territory.png - Sven Manguard

Oregon State Capitol Interior Provisional.JPG - File Upload Bot (Magnus Manske)

Oregon Capitol Interior Territory.jpg - File Upload Bot (Magnus Manske)

Oregon-state-tartan.png - NealePickett

First National Bank (Portland), frieze and cornice detail.jpg - Steve Morgan

MetasequoiaGlyptostroboides.jpg - BotMultichillT

BoNM Oregon Hires.png - Antonu

Oregon National Guard Crest.svg - Glasshouse

Agat Thunderegg x 2 - Richardson Ranch (Priday Ranch), Madras, Jefferson Co.jpg - Elade53

The Seal of the Territory of Oregon (78734744).jpg - Kingofthedead

The Seal of the Provisional Government (78734936).jpg - Kingofthedead

Agat stratyfikowany, thunderegg- Falen Tree, Oregon, USA..jpg - Elade53

Opal filled thunderegg - Rice NW Museum.JPG - Aboutmovies

Buchanan Thunderegg, Oregon, USA.jpg - Elade53

Lower right detail, Oregon Thundereggs - panoramio (cropped).jpg - Tibet Nation

Thundereggs from Ochoco Mountains, Oregon.jpg - Orygun

Oregon001.jpg - 峠 武宏

Thunder Egg Agate (Priday Blue Bed, John Day Formation, Miocene; near Madras, Oregon, USA) 1 (32744937906).jpg - Ser Amantio di Nicolao

Quartz-agate nodule (Killer Green Claim, Ochoco Mountains, Prineville, Oregon, USA) (33993292453).jpg - Ser Amantio di Nicolao

Ruin agate (2931683809).jpg - Ser Amantio di Nicolao

Richardson Ranch Thunder Egg with Plume from Plume Beds, Richardson Ranch, Madras, Oregon detail, from- Oregon001 (cropped).jpg - Tibet Nation

Thunderegg.jpg - Duk

Thunder egg quartz (Laton Point, south of Buchanan, Oregon, USA) (32785493225).jpg - Ser Amantio di Nicolao

Thundereggs - panoramio.jpg - Panoramio upload bot

Oregon003.jpg - 峠 武宏

Thunder Egg Agate (Priday Blue Bed, John Day Formation, Miocene; near Madras, Oregon, USA) 2 (34416129410).jpg - Ser Amantio di Nicolao

Detail, Buchanan Thunderegg, Oregon, USA (cropped).jpg - Tibet Nation

Detail, Quartz-agate nodule (Killer Green Claim, Ochoco Mountains, Prineville, Oregon, USA) (33993292453) (cropped).jpg - Tibet Nation

Thunder Egg Agate (Priday Blue Bed, John Day Formation, Miocene; near Madras, Oregon, USA) 4 (34762078736).jpg - Ser Amantio di Nicolao

Thunder Egg Agate (Priday Blue Bed, John Day Formation, Miocene; near Madras, Oregon, USA) 3 (33992544563).jpg - Ser Amantio di Nicolao

Thunder Egg Agate (Priday Blue Bed, John Day Formation, Miocene; near Madras, Oregon, USA) 5.jpg - Ser Amantio di Nicolao

Agate nodule (Succor Creek Claim, Harney County, Oregon, USA) (34670752811).jpg - Ser Amantio di Nicolao

Oregon Legislative Assembly Seal.png - BrianMcK

Badge Portland Police Bureau.png - Horse.staple

Oregon Training Command.svg - Hypoluxa2000