Page 375 - Laboratory Manual in Physical Geology
P. 375

49°
                                                                                                                    00’

                                                                                                                     54 30 000m. N.


































                                                                                                                     54 20 000m. N.



















                                                                                                                      (Courtesy of U.S. Geological Survey)












                                                                                                                     54 10 000m. N.


      FIGURE 13.14: Glacier National Park (1998)
                                                           North                              Glacier Data
      1   1 2 /  0      1         2        3        4 miles                                  1850 1966 1993 2005
                                                                      Montana         Name   Area  Area  Area  Area
                                                                                                          2
                                                                                                     2
                                                                                             (km )  (km )  (km )  (km ) 2
                                                                                               2
      1  .5  0   1     2     3    4     5     6  kilometers
                                                                                      Agassiz  4.06  1.59  1.02  1.04
      Contour interval = 80 ft.  1:100,000                        Quadrangle location  Vulture  0.77  0.65  0.21  0.32
      North American Datum of 1927 (NAD27) grid.
                                                                                  Glaciers and the Dynamic Cryosphere   ■  343
   370   371   372   373   374   375   376   377   378   379   380