А Б В Г Д Е Ё Ж З И Й К Л М Н О П Р С Т У Ф Х Ц Ч Ш Щ Ъ Ы Ь Э Ю Я
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

1. As used in this study, the portion of the rock column below the deepest aquifer containing potable water. The top of the geosphere is taken as equivalent to the top of the Upper Cretaceous Bearpaw Formation.