A B C D E F G H I J K L M N O P Q R S T U V W Y Z Quadrangle Name Quadrangle Code North Latitude South Latitude East Longitude West Longitude Data IBEX PEAK 42114-A1 42.12 42 -114 -114.12 ICEHOUSE CREEK 44111-D5 44.5 44.37 -111.5 -111.62 IDAHO CITY 43115-G7 43.87 43.75 -115.75 -115.87 IDAHO FALLS NORTH 43112-E1 43.62 43.5 -112 -112.12 IDAHO FALLS SOUTH 43112-D1 43.5 43.37 -112 -112.12 IDAHOME 42113-D4 42.5 42.37 -113.37 -113.5 IDMON 44111-C8 44.37 44.25 -111.87 -112 ILLINOIS PEAK 47115-A1 47.12 47 -115 -115.12 INDIAN BUTTE 42115-G1 42.87 42.75 -115 -115.12 INDIAN COVE 42115-H5 43 42.87 -115.5 -115.62 INDIAN CREEK 44112-C4 44.37 44.25 -112.37 -112.5 INDIAN CREEK RESERVOIR 43116-D1 43.5 43.37 -116 -116.12 INDIAN HAY MEADOWS 42115-A8 42.12 42 -115.87 -116 INDIAN HOT SPRINGS 42115-C6 42.37 42.25 -115.62 -115.75 INDIAN MEADOWS 42116-F7 42.75 42.62 -116.75 -116.87 INDIAN MOUNTAIN 45116-B3 45.25 45.12 -116.25 -116.37 INDIAN POSTOFFICE 46114-E8 46.62 46.5 -114.87 -115 INDIAN SPRINGS 42112-F7 42.75 42.62 -112.75 -112.87 INDIAN VALLEY 44116-E4 44.62 44.5 -116.37 -116.5 INFERNO CONE 43113-D5 43.5 43.37 -113.5 -113.62 INITIAL POINT 43116-C4 43.37 43.25 -116.37 -116.5 INKOM 42112-G3 42.87 42.75 -112.25 -112.37 INSIDE LAKES 42115-C5 42.37 42.25 -115.5 -115.62 IRELAND SPRINGS 42112-B4 42.25 42.12 -112.37 -112.5 IRON CREEK POINT 44113-D4 44.5 44.37 -113.37 -113.5 IRON MOUNTAIN 45115-H5 46 45.87 -115.5 -115.62 ISLAND PARK 44111-D3 44.5 44.37 -111.25 -111.37 ISLAND PARK DAM 44111-D4 44.5 44.37 -111.37 -111.5 ITALIAN CANYON 44112-C8 44.37 44.25 -112.87 -113  A B C D E F G H I J K L M N O P Q R S T U V W Y Z