Data on Holocene Tephra (Volcanic Ash) Deposits in the Alaska Peninsula and Lower Cook Inlet Region of the Aleutian Volcanic Arc, Alaska
by
J.R. Riehle, C.E. Meyer, and R.T. Miyaoka
USGS 
Open-File Report 
99-135
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Table of descriptive sample localities, Holocene tephra deposits on the Alaska Peninsula
Site Field No. Quadrangle Latitude Longitude Descriptive locality
1 85Rj125 Chignik 56 deg.19'15" 159 deg. 09'48" N side of unnamed tributary of Rapid Creek, low on the NE flank of Mount Veniaminof
2 85Rj126 Chignik 56 deg. 18'36" 159 deg. 05'48" E bank of West Fork Creek, 3 mi (5 km) N of Knife Peak
3 85Rj128 Chignik 56 deg. 28'42" 158 deg. 58'48" Backbeach exposure, N shore of Black Lake
4 85Mm048 Chignik 56 deg. 28'12" 158 deg. 21'18" Backbeach exposure 1 mi (2 km) SW of mouth of Dry Creek,Chignik Bay
5 85Mm049 Chignik 56 deg. 40'30" 158 deg. 42'18" Hand-dug pit on the N side of a low ridge on the N side of Bluff Creek
6 85Mm047 Sutwik Is. 56 deg. 33'36" 157 deg. 51'00" Backbeach exposure on the NE shore of Cape Kumliun
7 85Rj121 Chignik 56 deg. 58'30" 158 deg. 11'10" Bank exposure on unnamed creek 2 mi (3 km) NNW of Half Cone, outside Aniakchak Crater 
8 ANI97-16 Sutwik Is. 56 deg. 45'53" 157 deg. 29' 08" On gently sloping ground 25 m above sea level, behind a steep slope down to vegetated backbeach; 300 m E of mouth of the Aniakchak River. SUT97-022 is an archeological excavation on the Meshik River, about 12 mi (19 km) to the WNW of ANI97-016; the location is left vague because of the cultural resource at the site.
9 85Rj130 Sutwik Is. 56 deg. 47'42" 157 deg. 15'24" Backbeach, NE shore of Amber Bay
10 85Rj129 Sutwik Is. 56 deg. 55'45" 156 deg. 47'06" Backbeach, E shore of Cape Kuyuyukak
11 82Rj059 Sutwik Is. 56 deg. 58'45" 157 deg. 05'45" Hand-dug pit on a low hill on an unnamed creek 9 mi (14 km) NNE of the head of Yantarni Bay
12 83Rj195 Ugashik 57 deg. 00'05" 157 deg. 05'24" Hand-dug pit on a ridge on the E side of an unnamed creek 1 mi (2 km) NNE of site 10
13 82Rj037 Ugashik 57 deg. 03'55" 157 deg. 46'20" Hand-dug pit on a low hill on the NE side of an unnamed tributary of Cinder River
14 82Rj025 Ugashik 57 deg. 04'09" 157 deg. 08'15" Hand-dug pit on a plateau 6 mi (10 km) NNW of site 10
15 82Rj065 Ugashik 57 deg. 10'06" 157 deg. 03'06" Hand-dug pit on the W bank of an unnamed creek low on the NW flank of Mount Chiginagak
16 82Rj054 Ugashik 57 deg. 14'15" 156 deg. 52'42" Hand-dug pit on a moraine on valley floor 6 mi (10 km) NW of Mount Kialagvik
17 82Rj020 Ugashik 57 deg. 10'36" 157 deg. 13'05" Hand-dug pit on a low hill midway between the closest points of Mother Goose Lake and Needle Lake 
18 82Rj017 Ugashik 57 deg. 12'15" 157 deg. 02'30" Hand-dug pit on a low ridge on the N side of Volcano Creek, 5 mi (9 km) NNW of Mount Chiginagak
19 82Rj060 Ugashik 57 deg. 14'30" 157 deg. 27'42" Bank of the King Salmon River 3 mi (5 km) WNW of the outlet from Mother Goose Lake 
20 85Rj122 Ugashik 57 deg. 15'06" 157 deg. 31'09" Bank of the King Salmon River 2.5 mi (4 km) WNW of site 18 
21 85Rj123 Ugashik 57 deg. 16'54" 157 deg. 55'12" Hand-dug pit on a low mound in a featureless swampy plain
22 82Rj073 Ugashik 57 deg. 28'36" 157 deg. 55'24" Sea cliff exposure at Cape Menshikof, Bering Sea
23 82Rj029 Ugashik 57 deg. 45'52" 156 deg. 13'36" Hand-dug pit on a low hill 5 mi (8 km) ENE of Mount Peulik
24 85Rj028 Ugashik 57 deg. 47'54" 156 deg. 15'12" Backbeach exposure on the shore of Becharof Lake 5 mi (8 km) NE of Mount Peulik
25 82Rj031 Ugashik 57 deg. 52'27" 156 deg. 45'12" Hand-dug pit on a Pleistocene moraine 17 mi (27 km) WNW of Mount Peulik
26 82Rj032 Ugashik 57 deg. 53'57" 157 deg. 01'42" Hand-dug pit on a Pleistocene moraine 27 mi (43 km) WNW of Mount Peulik
27 86Rj130 Ugashik 57 deg. 56'30" 156 deg. 01'45" Back-beach exposure on shore of Becharof Lake, E side of a low peninsula
28 83Rj230 Naknek 58 deg. 08'05" 156 deg. 34'30" Hand-dug pit on a Pleistocene moraine 10 mi (16 km) NW of Whale (Blue) Mountain 
29 86Rj123 Mt.Katmai 58 deg. 11'42" 155 deg. 50'36" Bank of Angle Creek 2 mi (3 km) NNE of the intersection with Takayofo Creek
30 84Rj131 Mt.Katmai 58 deg. 03'42" 155 deg. 21'25" W bank of the E tributary of the Kejulik River
31 88Rj104 Mt.Katmai 58 deg. 07'45" 154 deg. 16'12" Backbeach exposure on the E headland of Missak Bay
32 87Rj023 Mt.Katmai 58 deg. 20'12" 155 deg. 11'30" Small gully low on the W flank of Mount Griggs
33 85Rj192 Mt.Katmai 58 deg. 24'20" 155 deg. 01'30" W bank of Ikagluik Creek 4 mi (6 km) NE of Mount Griggs
34 NL pit Mt.Katmai 58 deg. 32' 155 deg. 43' Test pit atop moraine in backbeach, west shore of Iliuk Arm of Naknek Lake (Stilwell, 1995)
35 Dumond Mt.Katmai 58 deg. 33'06" 155 deg. 46'30" Brooks Camp, Iliuk Arm of Naknek Lake
36 84Rj061 Naknek 58 deg. 38'24" 156 deg. 33'54" N bank of the Naknek River near an abandoned recreation camp
37 85Rj097 Naknek 58 deg. 41'06" 156 deg. 40'30" Roadcut near Eskimo Creek, W side of King Salmon village
38 Leader Ck. Naknek 58 deg. 44' 156 deg. 50' Three separated exposures of early Holocene-latest Pleistocene tephra deposits in the region of Naknek, NE Bristol Bay (Leader Creek on N side of Naknek River, Kvichak River, and Lake Brooks moraine) (Stilwell, 1995)
39 83Rj215 Mt.Katmai 58 deg. 42'30" 155 deg. 24'06" Hand-dug pit on a low island near the N shore of Lake Grosvenor
40 87Rj004 Kodiak 57 deg. 37'42" 153 deg. 52'12" Backbeach exposure due E from Uyak Village, across Uyak Bay
41 87Rj009 Afognak 58 deg. 10'18" 152 deg. 54'18" Backbeach exposure on the N shore of Malina Bay near the head of the bay
42 87Rj010 Afognak 58 deg. 25'19" 152 deg. 21'19" Backbeach exposure at Shields Point, E side of Perenosa Bay 
43 RBWKo-9 Afognak 58 deg. 34'15" 152 deg. 32'20" E shore of southern Carry Inlet, Shuyak Island 
44 84Rj152 Afognak 58 deg. 38'06" 153 deg. 35'36" Sea cliff exposure on a small mainland peninsula 2 mi (3 km) NW of Kiukpalik Island
45 89Rj002 Afognak 58 deg. 50'24" 153 deg. 17'42" Backbeach exposure on the S side of Cape Douglas
46 89Rj003 Iliamna 59 deg. 04'06" 153 deg. 47'30" Sea cliff exposure 1 mi (2 km) WNW of the mouth of Douglas River
47 89Rj004 Mt.Katmai 58 deg. 59'15" 154 deg. 10'24" W bank of the Kamishak River on the outside of a meander bend
48 RBW Iliamna 59 deg. 22' 153 deg. 25' Three separated exposures on Augustine Island (SE coastline, S coastline, and midway up S flank of cone)
49 89Rj001 Iliamna 59 deg. 25' 12" 153 deg. 49' 07" Eroding deposit atop high sea cliffs at west end of Fortification Bluff, lower Cook Inlet
50 Circle Lake Seldovia 59 deg. 48'05" 151 deg. 9'25" Sediment core from Circle Lake, 1250 ft (379 m) elevation, 0.25 mi (400 m) SW of Falls Creek adjacent to road, about 17 mi (27 km) NE of Homer