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> I think you would do much better with a soil monolith (what we  
> have) than a terrarium of unpreserved soil (very hard to keep from  
> getting moldy).  There are a number of websites that describe how  
> to do this.  If searching on the web yourself, be sure to get the  
> full size/scale version rather than the educational miniature/model  
> version of monoliths.  Here is a good straight forward method from  
> the NASA Soil Education page:
>
> http://soil.gsfc.nasa.gov/soilmono/mono1-5.htm
>
> Also, I would strongly recommend getting in touch with local NRCS  
> people for assistance and suggestions for procedures and location 
> (s).  Soils are variable enough that it would probably be best to  
> do several monoliths representing several common local soil types.   
> Hope this helps.
>
> Wendy Greenberg, Soil Scientist, Bemidji State University
Headwaters Science Center Board of Directors
413 Beltrami Ave. NW
Bemidji, MN 56601

On Jul 30, 2009, at 10:16 AM, Leslie Goddard wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
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> *******
>
> Does anyone have suggestions for constructing a display showing layers
> of soil in cross-section? We'd like to show in general terms the  
> layers
> of soil -- from topsoil down to bedroock -- underneath our region.  
> Some
> kind of tall transparent planter? A terrarium? Has anyone done this or
> seen it done creatively elsewhere?
>
>
>
>
> Leslie Goddard
> Exhibit Developer
> The Morton Arboretum
> 4100 Illinois Route 53
> Lisle, IL 60532
> tel: 630-719-4888
> fax: 630-719-7956
> [log in to unmask]
> www.mortonarb.org
>
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