Stubborn Dash Pad

I bought a replacement dashpad from Year One at least 8 months ago, and have wrestled with the dash to get the old cracked and blue one out to put in my nice, soft, shiney black one in. I got two bolts off of the passenger side, but there are still three left that I cannot for the life of me figure out how to get to. The car is a 74 Duster, any advice would be much appreciated, I paid good money for the dash pad and it's just sitting under my bed feeling neglected.