I was going to check the list of Acacia on the pdf which is now not available!
I keep looking at Pinus densiflora, there are yellow forms of that. I thought there was too many needles,although not all of your photos show the upward tufts of needles but have needles along the branches too. The close up shot shows many more needles.
Pinus densiflora aurea doesn't look right.
