Crazy blue goo found in a cave. We sampled it this weekend. More info in comments.2yr ⋅ chucksutherland ⋅ r/geology
Sunrise from North America's largest sinkhole, Grassy Cove, Tennessee [OC]1yr ⋅ chucksutherland ⋅ r/Tennessee
Cave one this weekend. We did sampling to see what this crazy blue goo is.2yr ⋅ chucksutherland ⋅ r/caving
Happy Thanksgiving! This photo is of turkey glyphs in Unnamed Cave 7. I traced them so they would be more visible.2yr ⋅ chucksutherland ⋅ r/caving
Some real fans of Universal Transverse Mercator over here. Need me one of those bumper stickers.4yr ⋅ chucksutherland ⋅ r/gis
Mineralized breccia, Nyrstar's Cumberland zinc mine, Smith County, Tennessee3yr ⋅ chucksutherland ⋅ r/geology
New world depth record for Hranice Abyss in Czechia -450 m (1 476 ft)1yr ⋅ chucksutherland ⋅ r/caving
Stephens Gap Cave, Pit entrance, Stephens Gap Callahan Cave Preserve, Jackson County, Alabama6yr ⋅ chucksutherland ⋅ r/MostBeautiful
It's hard to get a bad photo from here. Enjoyed my visit this weekend y'all!5yr ⋅ chucksutherland ⋅ r/Knoxville
Local photographer thinks stealing someone's work and taking credit for it is OK as long as you call it amping.4yr ⋅ chucksutherland ⋅ r/quityourbullshit
Missing my neighbors up north. Looking forward to my next adventure in the Bluegrass state! This is from my last visit to Yahoo Falls.5yr ⋅ chucksutherland ⋅ r/Kentucky
Rhodamine dye injection at Ranger Falls, South Cumberland State Park, Tennessee (OC) (photo taken during a permitted dye trace study)6yr ⋅ chucksutherland ⋅ r/MostBeautiful
These rope descent techniques were invented in the early 19th century by Tita Piaz and Hans Dulfer, in the Alps. Do not attempt figure 4.3yr ⋅ chucksutherland ⋅ r/caving
Hiwassee Gap, South Cherokee National Forest, Tennessee [OC] [2048 x 1365]6yr ⋅ chucksutherland ⋅ r/EarthPorn
Ornate grey box with glass lens apparatus. Has electrical wires inside but no obvious hookups anymore. Found among scientific equipment, including microscopes.3yr ⋅ chucksutherland ⋅ r/whatisthisthing
Climb up to the Doom Room in Cataclysmic Void - Blue Spring Cave, Tennessee [OC]5yr ⋅ chucksutherland ⋅ r/caving
Sunset on Medicine Mountain, Big Horn National Forest, Wyoming (OC)6yr ⋅ chucksutherland ⋅ r/MostBeautiful
I took the photo used for the cover of the November edition of Canadian Institute of Mining magazine. I thought someone here may like it.10yr ⋅ chucksutherland ⋅ r/geology
Lycopod fossil - from the infamous strip mine outcrop in Morgan County, Tennessee6yr ⋅ chucksutherland ⋅ r/geology
Found near a small rail line in Tennessee used by coal miners back in the late 1800s early 1900s4yr ⋅ chucksutherland ⋅ r/whatisthisthing
Summer lightning storm, White County, Tennessee [OC] [2048 x 1365]6yr ⋅ chucksutherland ⋅ r/EarthPorn
Dated 1964 this aerial image was discovered in the archive of a middle Tennessee publication.6yr ⋅ chucksutherland ⋅ r/whatisthisthing
Requesting an ID for this spider. More pictures and details in the comments.6yr ⋅ chucksutherland ⋅ r/spiders
ThankGodForEvolution.com - Michael Dowd spoke at my girlfriend's church. I sat in and was impressed with the sanity.10yr ⋅ chucksutherland ⋅ r/atheism
