Here's a link to a great topographic map of the Sand Mountain and Lookout Mountain areas. At this site, you can also "build" your own map and they will print it.
Map Links:
Sand Mountain and Lookout Mountain Topographic Map
http://www.mytopo.com/maps/?lat=34.9110&lon=-85.89470&z=10
Lookout Mountain, Tennessee, Zoning Map
http://www.lookoutmountaintn.org/lookout-zoning.pdf
Google Map to Points in the Tri-State Area (including McLemore Cove and surrounding area)
https://www.google.com/maps/place/Sand+Mountain+Cabinets/@34.8863963,-85.1949291,97091m/data=!3m1!1e3!4m5!3m4!1s0x8861b56e60e10b51:0xad671c42b8c03899!8m2!3d34.7995672!4d-85.6308661
Google Map: Lebanon, Alabama, to Crawfish Springs site in Chickamauga, Georgia.
Google Map pointing to the historic site of Caperton Springs Ferry
http://alabama.hometownlocator.com/maps/feature-map,ftc,2,fid,115432,n,caperton%20ferry.cfm
Link to Google Route from Valley Head, Alabama, traveling N/NE up Hog Jowl Road (not Hog Jaw Valley Road)
Mapping Points:
These are some sites with mapping points or descriptions of historic sites that helped me find some of the points mentioned in Thatcher's description of the Second Michigan's route over Sand Mountain and Lookout Mountain:
Historic Site Application which mentions Bailey's Crossroads, which was a historic crossroads near what is now the intersection of Highway 193 and West Cove Road.
http://focus.nps.gov/pdfhost/docs/NRHP/Text/94001140.pdf
Cedar Grove Cemetery
34-340 S Cedar Ln
Chickamauga, Walker, Georgia
Mountain Cove Farms Resort
994 Dougherty Gap Rd, Chickamauga, GA 30707
http://mountaincoveresort.com
Cumberland Plateau in North Georgia, with Map and Description
http://sherpaguides.com/georgia/mountains/cumberland_plateau/
PDF File of Google Map: Thatcher's Route with Second Michigan over Sand Mountain and Lookout Mountain, up to Crawfish Springs near Chickamauga, in September 1863
Fort Payne, Alabama, and Surrounding Area, Historic Topographical Map
http://www.lib.utexas.edu/maps/topo/alabama/txu-pclmaps-topo-al-fort_payne-1898.jpg
Historic Markers in Walker County, Georgia
http://www.lat34north.com/HistoricMarkers/CountyDetail.cfm?CountyNameKey=Walker
Historic Markers in Georgia (Find by County)
http://www.lat34north.com/HistoricMarkers/ListCounties.cfm
https://drive.google.com/file/d/0B5vMY05sIj0PaFpzZ0xwRGs1RzQ/view?usp=sharing
Here's that long, long Google Maps link for the Hog Jowl Road route: https://www.google.com/maps/dir/Lebanon/Valley+Head,+AL/Hog+Jowl+Road,+Chickamauga,+GA+30707/Crawfish+Spring,+Chickamauga,+GA/@34.6175653,-85.8343187,10z/data=!3m1!4b1!4m26!4m25!1m5!1m1!1s0x888a76dc8f712a63:0x47d04ad58e2e1a1!2m2!1d-85.8158026!2d34.3659237!1m5!1m1!1s0x8861d2d88f038b11:0x23ada534f5290c47!2m2!1d-85.6149654!2d34.5689732!1m5!1m1!1s0x8860399ab9114b7d:0x51693381051c6b68!2m2!1d-85.4141673!2d34.6970502!1m5!1m1!1s0x88604218045862e9:0xefa2321047b41734!2m2!1d-85.2924564!2d34.8703547!3e0
