This is a thorny bushy tree that is growing next to a pine. It is about 15 feet tall. The following two photos are close ups of the branches and leaves.
Thanks for your help.
One of the hawthorns. The group is nearly impossible to identify, cocks-spur, downy and dotted are common.
Here is a link that might be useful: Hawthorn
I have one very similar that we decided was Crataegus uniflora, the flowers are stunningly simple and beautiful. Here is a picture of mine in flower: