Blue stakes on a Golf course indicate "ground under repair". They may be blue with a green top which would indicate that an appropriate government agency has declared the area an "environmentally-sensitive area" and the local golf committee has declared it ground under repair to prevent play from it.
Water hazard - yellow stakes, lateral hazard - red stakes and bunkers.
Yellow is a water hazard. Red is a lateral hazard. White is out of bounds. The rules indicate how each of these should be dealt with.
Out of bounds stakes are always white.
Yellow Ribbon Stakes was created in 1977.
No, an OB marker indicates the boundary of the course and as such cannot be moved. Red and yellow stakes can be moved though.
The OB stakes on a golf course are white.
Out of bounds is indicated by white stakes.
Of course . The club decides where the boundaries are.
Red stakes are a lateral water hazard.
The red, blue, yellow, and white posts on a golf course refer to the distance from the green. Usually red= 100 yards, white= 150 yards, blue= 200 yards, and yellow= 250 yards.
Water hazards are marked with yellow stakes. Lateral water hazards are marked with red stakes. The difference between lateral water hazards and water hazards is that you can play from either side of the lateral water hazard as long as you are not nearer the hole. With a water hazard you have to play from the side on the line of where the ball entered.
Yes, you are allowed to pull these out of the ground. But you can not pull OB stakes out of the ground.