Chalk like stone and Discoidal like stone found near Yatesville Lake.

[ns0mnby]

Found this today while walking along the bank of the lake.

[ns0mnby]

I thought the round shaped rock looked like a roller discoidal

[UpNorth]

Symmetry and size doesn’t look right for a discoidal, I.m.o.
keep on the hunt.....✌️

[UpNorth]

A pic. For comparison, this one is 3 1/2”