EarthCache

Traveling to Indy—The EarthCache Way!

Driving to the Indianapolis Annual Meeting? You will pass many geologic outcrops and sites worthy of a visit.

With Indiana as the Crossroads of America, GSA has assembled a list of EarthCache sites worthy of a stop on your way to Indianapolis. The selected caches are a subset of all the EarthCache sites along the primary routes into the state. Only EarthCache sites within Indiana are included. So…pull out your GPS device or smartphone and cache in on some of Indiana’s best geology.

From the North West: Chicagoland to Indianapolis - I65 North

EarthCache Name EarthCache ID Code Coordinates Theme
Dunes  and Swales GC6DPVV N 41° 36.382 W 087° 16.275 Sand Dune System
The Great Marsh! GC18BHE N 41° 39.501 W 087° 02.896 Dune Wetland Complex
Blow Out! GC106501 N 41° 40.080 W 087° 02.378 Dune Erosion
Garnets in Indiana GC68GQC N 40° 35.121 W 086° 40.172 Canadian Glacial Erratic
The Silurian Reefs of Delphi GC6AAQ8 N 40° 35.653 W 086° 41.340 Silurian Reef & Devonian Dolomites
‘prophets rock’ Cave EC GC256FJ N 40° 30.268 W 086° 51.105 Cave in Lithified Glacial Material
‘prophets rock’ Natural Spring GC2JGEZ N 40° 30.311 W 086° 51.135 Springs in Lithified Glacial Material
Meltwaters formed Glacial Sand & Gravel GC2F7H7 N 40° 30.371 W 086° 50.726 Lithified Glacial Sand & Gravel
Wabash Torrent GC2TCJJ N 40° 30.891 W 086° 48.237 Glacial Meltwater Valley
Prophetstown Fen GC2TCAJ N 40° 30.802 W 086° 49.134 High pH Wetland
Celery Bog GC15BZW N 40° 27.128 W 086° 56.159 Acidic Wetland

From the West North West:  Peoria to Indianapolis - I74 West

EarthCache Name EarthCache ID Code Coordinates Theme
Crawfordsville Crinoids GC1PQRX N 40° 02.521 W 086° 57.788 Ordovician Limestone Fossils
Silver Cascade Falls GC1EMYA N 39° 56.230 W 087° 04.150 Carb. Sandstones Glacial Meltwater River
Backbones of a Different Kind GC5G1EP N 39° 56.445 W 087° 03.069 Riverine Entrenchment in Sandstones
The Punch Bowl GC1EH9Z N 39° 53.570 W 087° 11.958 Carb. Sandstones, Entrenched Rivers
Coal: Rocks that Burn GC68A15 N 39° 53.394 W 087° 11.801 Carboniferous Coals

From the West South West: St. Louis to Indianapolis – I70 West

EarthCache Name EarthCache ID Code Coordinates Theme
Made in Stinesville GC62JTA N 39° 27.954 W 087° 24.851 Limestone in Construction

From the South West:  Evansville to Indianapolis - I69 South

EarthCache Name EarthCache ID Code Coordinates Theme
Loess in Oak Hill GC65W9S N 37° 59.001 W 087° 32.160 Loess Deposits
Crinoid Limestone Bioherm Monroe Lake GC5ZXCT N 39° 02.290 W 086° 27.690 Mississippian Age Limestone Outcrops Fossils to View
Stobo Mound  Brachiopods GC616YS N 39° 09.776 W 086° 24.831 Mississippian Age Limestone Outcrops Fossils to View

From the South:  Louisville to Indianapolis - I65 South

EarthCache Name EarthCache ID Code Coordinates Theme
Trilobites: Prehistoric Arthropods EC GC2EH47 N 38° 17.374 W 085° 46.948 Devonian Limestones Fossils
Fossils of Devonian Beechwood Formation GC358FN N 38° 17.252 W 085° 46.690 Devonian Reef System
ORVEC The Falls of the Ohio River GCPAF1 N 38° 16.562 W 085° 45.789 Devonian Limestones, Falls of the Ohio River
ORVEC Petrified GC6WJQZ N 38° 16.603 W 085° 45.827 Petrified Wood
Franklin Esker GC65KGA N 39° 27.881 W 086° 03.747 Glacial Features

From the South East:  Cincinnati to Indianapolis - I74 East

EarthCache Name EarthCache ID Code Coordinates Theme
500 mya GC105Z7 N 39° 20.405 W 084° 57.183 Ordovician Limestone Fossils

From the East: Dayton to Indianapolis - I70 east

EarthCache Name EarthCache ID Code Coordinates Theme
Cook Spring GC2C32H N 39° 49.947 W 084° 52.091 Artesian Spring
Thistlethwaite Falls GC15P74 N 39° 50.835 W 084° 53.878 Waterfall Created By River Diversion
Happy Hollow Fossiliferous GC1486N N 39° 50.389 W 084° 53.595 Ordovician Limestone Fossils
Whitewater Gorge GC12CZD N 39° 49.749 W 084° 54.109 Meltwater Gorge Carved in Ordovician Limestone, Fossils
Whitewater Formation EarthCache GC4FC68 N 39° 50.300 W 084° 53.835 Ordovician Limestone Fossils
I-70 Miles Per Hour Through Wetlands GC4P72A N 39° 49.461 W 085° 42.290 Indiana’s Wetland Past

From the North East: Lansing or Toledo to Indianapolis - I69 North

EarthCache Name EarthCache ID Code Coordinates Theme
Hell’s Point GCZY44 N 41° 42.882 W 085° 00.803 Glacial Moraines
Pokagon Puddingstone GC3NKHH N 41° 42.132 W 085° 01.855 Rare Carbonate Conglomerate
Pokagon Legacy – Kettle Hole Lake GCZDAA N 41° 42.383 W 085° 01.158 Kettle Kame Topography
Pipe Creek Sink Hole GC5F41B N 40° 34.224 W 085° 48.570 Karst Topography
The Scouring of the Mississinewa River GC55XQV N 40° 37.692 W 085° 44.115 Glacially Eroded Limestones