None who saw it ever told it — Gold Rush

None who saw it ever told it 1
'Tis as hid as Death
Had for that specific treasure
A departing breath-
Surfaces may be invested 5
Did the Diamond grow
General as the Dandelion
Would you serve it so?
(F.1135/J.1110)
[1] saw it:: found the gold-bearing gravel bed.
[2] Death:: buried into the earth.
[3] specific treasure:: gold, not other treasures.
[4] breath:: trace, sign.
[5] invested:: covered, and employed effort to expect profit.
[8] serve it:: to pan gold.