Nesting drama continues....

Well, I went back up this afternoon 4-6pm to check on the girls and investigate the poison oak thicket where turt1 was scraping away yesterday. I crawled up under the poison oak and to my great surprise discovered a large number of scrapings (10-16 at least) over ~10 ft radius. Some looked older than others, but all appear to be from the last few weeks. The dilemma is that none of them look like what I imagined as 'THE' nest (ie vegetated plug with egg chamber below; likely out in open grassland, etc). So now I'm left wondering what the heck is going on. The offending scraper (turt1) was still in the reservoir this afternoon and was seen foraging near the surface. I suspect she is laughing at us.

One of the scrapes....