Eyeing at Echo
In Iowa, United States
Size:  (not chosen)
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Echo Valley State Park
3 Miles South East of West Union off of Echo Valley Road.
The Park will be on the North side
just as the road turns from pavement to gravel.
Permission for the placement of this cache obtained from:
Dawn L. Amundson, Environmental Education Coordinator
Fayette County Conservation Board (FCCB)
Although this is a state park, the FCCB manages it under a management agreement
Eyeing at Echo
This is an Earth Cache which means there will not be a logbook to sign at the specified coordinates.
To receive credit for this Earth Cache you perform some activities and e-mail the answers.
Logs which do not meet the logging requirements will be deleted.
E-mail the answers for the following:
1. What is the estimated height of the cliff?
2. Describe the colors and texture of the cliff.
3. Which direction does this creek flow?
4. What is the name of the creek which flows through the park near this cliff?
Why an Earth Cache here?
The coordinates will take you to Echo Valley State Park to view naturally exposed Limestone Cliffs highlighting two different types of limestones from the Silurian Waucoma Formation Limestones. The park itself hosts two coldwater creeks which meander through the area. One creek flows alongside the naturally beautiful cliffs. Most of the park is wooded with a few open grassy areas.
Echo Valley State Park lies along the eastern limit of the Paleozoic Plateau which features exposure of bedrock, unlike most other areas in Iowa. Typically a thin mantle of loess covers these sedimentary rocks. At the coordinates however, these rocks are naturally exposed. In the general area of the park nearby, a number of quarries are in operation to excavate non-naturally exposed limestone.
Limestones were created as lime deposits settled on a shallow seafloor. Over time these limestones can be converted over to dolomite (calcium-magnesium carbonate.) Many other limestone areas in Eastern Iowa are mainly composed of dolomite. In this park, some of the original limestones (calcium carbonate) remain without being completely converted to dolomite. These layers should be readily visible in large sections along the creek side cliffs.
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Last Updated: on 12/3/2013 4:59:37 PM (UTC-08:00) Pacific Time (US & Canada) (12:59 AM GMT)
Coordinates are in the WGS84 datum