Yes indeed, welcome to C6, Jon; ...the barn door to the cosmos on non-pedal steel, for just about any genre between west of Jerusalem and east of Manila.
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For non-pedal Steel Guitar; C6 tuning (low to hi) C E G A C E:
The links below start simple, in direct answer to your questions, then step by step lead to the big enchilada of scale / chord neck navigation:
Take your time; There is no rush; Getting to the big enchilada is surprisingly quick with reasonable wood-shedding, and progressing through the big enchilada takes much less time than it initially appears:
CMaj7 scale & harmony chart:
http://dennysguitars.homestead.com/ionian1.html
CMaj7 scale & harmony tab and staff:
http://dennysguitars.homestead.com/c6maj7scale.html
Useful CMaj7 passge, with harmony; Tab:
http://dennysguitars.homestead.com/maj7lick1.html
C6 chords & scales positions chart & lesson links:
http://dennysguitars.homestead.com/092901_5.html
Steel Guitar C6 neck navigation text lesson:
http://dennysguitars.homestead.com/modes7steel.html
SGF discussion about this approach to neck navigation:
http://steelguitarforum.com/Forum2/HTML/003549.html
Annotated for different experience levels here:
http://steelguitarforum.com/Forum8/HTML/002238.html
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Notice that all of the boxes / patterns in the above links, are for the root note C. Any of the patterns can be moved up and down the neck to position any root note in the pattern's correct spot; And the whole template of boxes / patterns will remain intact and be in a new position for the new root note.
Notice in Ricky Newman's posting: Johh Ely's C6 / CMaj7 charts engine; John's positions require bar slanting all over the place to get harmonies. But not so using the 3-fret scale / chord boxes I am referencing, which affords straight-bar / in-the-box scales and harmonies for each scale / chord quality.
Surfing youtube for videos of famous steelers, you can notice how many of them root their playing in the 3-fret-span Dom7 and Maj7 boxes, moving back and forth between those two boxes via out of the box lines like John Ely's chart engine presents. ------- You can also notice that for minor keys, chords and scales, those famous Steelers will be rooting their playing in appropriate-quality minor boxes. Steelers will also find out-of-the box spots where they can get a particular chord or passage voicing they desire, like the out-of-box movement in the "Useful Passage" link provided above.