Rob and Kent, I ended up placing around 90 tons around my 1/2 acre pond. I had it spread from the erosion line where the grass stopped growing out about 5' or 6'. It's about 5 to 6" deep. This was done in August of 2005 when my water level was low. I figured that placing it during the low water level would make it easier for the slinger truck operator to place it more uniformly. The cost for #2 limestone, hauling (about 40 miles) and placing was $15/ton, I spent under $1400 in all for my place. The geotextile fabric I used was free, left over from a highway project.
I know I'm beating this to death but get a slinger truck and use the geotextile fabric, you won't regret it.
