Tune in the radio on your pokegear and find the pokeflute channel talk to snorlax with that playing it will wake up make sure you catch it.
Use the flute that wakes up Pokemon.
You can find it in the rock tunnel, but it is rather rare.
I have no idea. Why two construction workers blocking you?
In Pokemon heart gold Cubone is found in Rock Tunnel and Safari Zone
in the undergroud tunnel
A guy in the underground tunnel will give you it.
it is where if you leave to go to the next town it is blocking the road or out of the park to the east
The fifth gym can be Jasmine or Chuck. No one is blocking any of the gyms. Although Jasmine might not be at the gym until you help the injured Pokemon.
Snorlax is found at the intersection of routes 11 and 12.
the herb shop is open in the goldenrod tunnel on Saturday and Sunday
you need all of the gym bades
Go to Cerulean City and go right. Either fight or dodge the trainers. Then when you get to the grass go down to the Pokemon center, then enter the tunnel