The United States has 59 National Parks. All of these parks have different beauty between each other. The oldest is Yellowstone (1872), and the newest is Pinnacles (2013). Each National Park has a 4 digit “Alpha Code.” The Alpha codes are made up of the first four letters of the park name. But if the park has more than one word, it takes the first two letters of the first two words. But there are some exceptions.
Examples:
1 word: Yosemite - yose
2 word: Petrified Forest - pefo
2+ word: Black Canyon of the Gunnison - blca
Exception: Carlsbad Caverns - cave
I will hide a geocache to honor all of these parks. I will do 6 groups of 10 caches (Actually 5 groups of 10, and 1 group of 9). Each of these are a puzzle with 6 questions.
I used Wikipedia for this information, as it gives it all on one page. Also say in your log if you have been to this park. If you have, please post pictures. I visited Glacier in July 2014. I also added some pictures from my visit.
The final container is at: N 37° 59.ABC W 122° 09.DEF
A. In the 1980s, the U.S. Geological Survey began a more systematic study of the remaining glaciers, which has continued to the present day. By 2010, 3A glaciers remained, but only 25 of these were considered to be "active glaciers" of at least 25 acres in area
B. The park contains over 700 lakes, but only 1X1 have been named as of 2016 X+4=B
C. Lake McDonald has a surface area of 6C23 acres
D. The park was established in 191D
E. The Going-to-the-Sun-Road crosses the Continental Divide at 2E26 meters above sea level, at the midway point
F. _______ Lakes National Park (Canada) is to the north (How many letters are in the name of the park?)

You can validate your puzzle solution with certitude.
Thanks to Carlotta P for Beta Testing this puzzle!