read the question, "where is the 7th gym leader?" everything you need to know will be in there
go to saffron city to beat Sabrina to get the 6th badge however you need to first go through silph co to do this.
Same as regular red/blue: I believe it is listed as sabrina, but you can skip ahead and beat koga first
The marsh badge is in the saffron city gym you must beat Sabrina the gym leader to get it, but to do that you must beat team rocket in the silph co building.
You must go through silph co in saffron city to go and beat sabrina.
Sabrina's gym in saffron city
Rock smash
beat the Pokemon league
the 5th gym is saffron gym with sabrina!
No its not an HM in leafgreen.
defeat silph co then the rockets wont block u
Catch all the Pokemon. credits are rolled if you beat the Pokemon league
The Marsh Badge is held by Sabrina the leader of the Saffron City gym.