Here's my transcription from the recording at YouTube:

MOTHERLODE
Dick Pinney
As recorded by Mustard's Retreat on "Back to Back" (1995)

1. I've got beggars on my trail, a lean and a ragged railin'
To hold me while I'm ailin' again.
If I think in code, find that mother lode,
I'll be back on again.

CHORUS: You may know me when I've been blessed,
And I give you a song and I'm gone with the rest.
Save a place in the corner, leave a key by the door,
And I will leave in jubilation, be returnin' for some more.

2. But your face is froze across. Long ago been frosted
Over. And it looks unreal.
When I doubt your mind, well, I'm pulled along by kind
Of a spirit. It makes me feel.

REPEAT CHORUS, VERSE 1, AND CHORUS.


[Note: There are subtle internal rhymes here: trail/railin'/ailin' – code/lode – across/frosted – mind/kind.
Accordingly, I have tried to put rhyming words at the ends of lines. It looks awkward in print, but it sounds better than it looks.]