Here's my first effort at a Lost Lake point.  I broke the tang off on the first notch but went ahead and notched the other side and then glued it back on, more or less where it was.  I was attempting to copy the lower right point on page 451 in Overstreet, 7th edition.  Dimensions are 3 1/4 X 2 1/4 X 1/4.  Made from a spall.  Obsidian wouldn't be authentic, but it's what I have right now.
Picture above, now.  I wonder how I managed to post the pictures without the text.