Main vein
Synonyms for Main vein
- bonanzarich source
- gold minerich source
- loderich source
- Eldoradorich source
- abundant sourcerich source
- pot of goldrich source
- rich lode
- mother lode
- rich source
- Golconda
- golden goose
- source of supply
- license to print money
- very profitable venture
For more similar words, try Main vein on Thesaurus.plus dictionary