WETMAAP Skill 1
San Pedro - Element 20

Skill 1:                    Map Use
Element 20:            Use of Geology Maps

 Materials:
            San Pedro Geology Map
            San Pedro River Valley Geology (Site Geology Map)
            San Pedro Geology Legend
           1:250,000  scale  Nogales, Arizona Topographic Quadrangle
            1996 San Pedro Land Cover Map
           San Pedro River Photoessay

Exercise:

            1.      Find the location of the study site on the San Pedro Geology map.

            2.      Using the 1:250,000 scale Nogales, Arizona Topographic Quadrangle, locate on the San Pedro Geology map:

                         a.      Huachuca Mountains

                         b.      Tombstone Hills

                         c.      Mule Mountains

            3.      Using the San Pedro Geology Legend and the San Pedro Geology Map:

                        a.      How would you characterize the geology of the mountains and hills found in Question   2?

 
                       _____________________________________________________

 

                                                    _____________________________________________________

 

                                                   _____________________________________________________

 

                         b.      How would you characterize the geology of the San Pedro River Valley?

 

                                                _____________________________________________________

 

                                                _____________________________________________________

 

                                                _____________________________________________________

 

              4.         Using the Site Geology Map, and the San Pedro Geology Legend, list the three geology strata observed.

 

Type     Age Description
1.    ___________    ___________  


____________________________

____________________________

____________________________
2. ___________  ___________


____________________________

____________________________

____________________________
3.     ___________       ___________  


____________________________

____________________________

____________________________

                                                     

              5.   Use the 1996 San Pedro River Land Cover Map:

                         a.      Is there any relationship between the geology and the vegetation within the site?

 
                       _________________________________________________________

 
                       _________________________________________________________

 
              6.   Use the San Pedro River Photo Essay:

                        a.      What do you observe in Plates 1, 2, 3 and 4 that relate to the descriptions that you wrote in Question 4?


                       _________________________________________________________

 
                        _________________________________________________________


                       _________________________________________________________