The Collaborative International Dictionary of English v.0.48:

Vogle \Vo"gle\, n. (Mining)
   Same as Vugg.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vugg \Vugg\, Vugh \Vugh\, n. (Mining)
   A cavity in a lode; -- called also vogle.
   [1913 Webster]