Photo #1 looks like two hafted end scrapers or cutting tools.
#3 has a nice scraper.
#4 the multiple sided square is definitely a core.
You sure do find alot of knapped stone.
Ha.. the last one is a Dang nice wide glide core.
my favorite cores heat treated.
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=889046"/>