"Dear Prince," read one note, in green marker on yellow construction paper.
From the car park, go past the picnic tables to a stile with a green marker.
This strangely beautiful work is signed in neat green marker with the name Lisa.
He arrived five minutes early and put his four green markers on to the reds.
It's not an especially taxing route and is waymarked for its whole length with green markers.
So green marker on the map means school open?
Taking a green marker, he carefully drew another wave, exactly opposite the first in amplitude.
The path is marked every tenth of the mile with green markers to give the location around the lake.
A meter is shown with a slide moving to either a red or green marker.
A green diamond-shaped marker flashed near the course line and off to the right.