Interesting description of building materials used in Washington D.C., including descriptions of the local geology from the USGS.
Contact Us:
[email protected]
Categories
- About ESCONI (7)
- Calendar of Events (431)
- Code of Ethics and Conduct (2)
- ESCONI Books For Sale (2)
- ESCONI Gem, Mineral & Fossil Show (187)
- Field Trips (188)
- Flashback Friday (125)
- Fossil Friday (233)
- Mazon Creek (557)
- Mazon Monday (237)
- Member Posts (52)
- Membership Information (1)
- Reference Material (8)
- Throwback Thursday (237)
- Trilobite Tuesday (49)
- Videos (34)
Photo Albums
« Educational Materials | Main | Time to Think About Field Camps and Geo Trips »
December 03, 2009
Comments
Search
Midwest Federation ESCONI is now a member of MWF!
Recent Posts
- Mazon Monday #237: Danville Field Trip Report for Fall 2024 #fossils #paleontology #MazonMonday #MazonCreek #pennsylvanian #coal #spoilpile #danville #ferns
- Divers in Mexico’s Underwater Caves Get a Glimpse of Rarely Seen Artifacts, Fossils and Human Remains #archaeology #history #mexico #caves
- PBS Eons: Could You Survive The Devonian Period? (with Hank Green!) #fossils #paleontology #devonian #massextinction #extinction #evolution
- Fossil Friday #233: Diplazites unita #fossils #paleontology #MazonCreek #FossilFriday #pennsylvanian #braidwood
- Throwback Thursday #234: Looking Back at ESCONI for October 2024 #history #TBT #ThrowbackThursday #dinosaurs #seismosaurus #diplodocus
- ESCONI October 2024 Mineralogy Study Group Meeting - October 5th, 2024 - "Geodes from Around the World" #mineralogy #geodes #calcite
- MAPS EXPO 2024 - October 18th-20th, 2024 in Springfield, IL #fossils #paleontology #show #maps #midamericanpaleo
- Mazon Monday #236: Cyathocarpus arborea #fossils paleontology #MazonCreek #MazonMonday #fern #carboniferous
- ESCONI Field Trip to the Napoleon Quarry in Napoleon, IN - for Ordovician/Silurian Fossils - Saturday, October 26th, 2024 #Ordovician #silurian #fossils #fossil #FieldTrip #paleontology #cyctoid #indiana #trilolite