The Southwest States Resource Packet download is full of materials for enhancing the study of the states in this region - Arizona, New Mexico, Oklahoma, and Texas.
The following resources are included for each of the 4 states:
~1 blank state map (great for a study sheet or map project)
~1 state map showing city and capital locations
~1 state map key with cities and capital labeled
~1 state map showing important physical features
~1 state map with the important physical features labeled
~1 state map quilt template (this makes an attractive bulletin board when students color, label and then illustrate what they have learned about the state)
~1 state fact file (all of the population and economy data is from current resources)
~1 state crossword puzzle (complete with key)
These resources are easily adapted for grades 3 - 6.