KRIS Information System

Area	Middle Trinity
Topic	Sediment: Upper Middle Trinity - Harvest Surface Erosion through 2000

Caption: This Source Table, timberharvest_gma_trinity_1940_2000.dbf, contains timber harvest records by decade for the Trinity River sub-watersheds for the years of 1940-2000. Data contains harvested areas (THA) in acres, percent of sub-watershed areas harvested (THAP), and surface erosion resulting from timber harvested areas (THSE) in tons. The dates in the column headers denote the starting date of the decade.

50 rows of a possible 72 have been displayed.

SUBWSHD PLANWSHD AREA_ACRES AREA_SQMI THA_1940 THA_1950 THA_1960 THA_1970 THA_1980 THA_1990 THAP_1940 THAP_1950 THAP_1960 THAP_1970 THAP_1980 THAP_1990 THSE_1940 THSE_1950 THSE_1960 THSE_1970 THSE_1980 THSE_1990

Campbell Creek Lower Trinity 3905.1 6.1 - 1211.5 250.3 169.5 - 8.7 0 31.02 6.41 4.34 0 0.22 - 14538 3004 1356 - 35

Coon Creek Lower Trinity 3362.8 5.3 - 133.5 1059.6 519.9 - - 0 3.97 31.51 15.46 0 0 - 1602 12716 4159 - -

Hoopa Reservation Lower Trinity 72974.2 114 - 3452.4 12423.6 5943 - - 0 4.73 17.02 8.14 0 0 - 41428 149083 47544 - -

Horse Linto Creek Lower Trinity 41131.8 64.3 - 141.8 1392.4 2314.7 - - 0 0.34 3.39 5.63 0 0 - 1702 16709 18518 - -

Lower Trinity Mainstem Ar Lower Trinity 17233.2 26.9 10.7 2410.5 1755.6 551.2 - 429.8 0.06 13.99 10.19 3.2 0 2.49 128 28925 21068 4410 - 1719

Mill Creek Lower Trinity 14022 21.9 - 845.7 776.7 340.7 - - 0 6.03 5.54 2.43 0 0 - 10148 9321 2725 - -

Supply Creek Lower Trinity 3057.6 4.8 - 1010.3 902 52.2 - 162.8 0 33.04 29.5 1.71 0 5.32 - 12124 10824 417 - 651

Tish Tang Creek Lower Trinity 10696.2 16.7 - - 457.6 227 - - 0 0 4.28 2.12 0 0 - - 5491 1816 - -

Willow Creek Lower Trinity 27600.8 43.1 1024.5 7063.3 4389.3 1306.5 - 1273.8 3.71 25.59 15.9 4.73 0 4.62 12294 84759 52672 10452 - 5095

Yurok Reservation Lower Trinity 96.1 0.2 - - - 9 - - 0 0 0 9.4 0 0 - - - 72 - -

Big Bar Creek Area Lower Middle Trinity 28839.1 45.1 0 1311.4 1524.5 5227.2 320 734.7 0 4.55 5.29 18.13 1.11 2.55 0 15737 18294 41817 1280 2939

Big French Creek Lower Middle Trinity 24564.7 38.4 0 265.7 350 2257.9 182 0 0 1.08 1.42 9.19 0.74 0 0 3189 4200 18063 728 0

Canadian Creek Area Lower Middle Trinity 21418.2 33.5 34.8 0 609.4 1240 146.4 82 0.16 0 2.85 5.79 0.68 0.38 418 0 7313 9920 585 328

Canyon Creek Lower Middle Trinity 40939.6 64 0 32.1 1016.2 113.8 28 171.3 0 0.08 2.48 0.28 0.07 0.42 0 385 12195 910 112 685

Cedar Flat Creek Lower Middle Trinity 2532.3 4 0 0 811.5 467.7 156 0 0 0 32.05 18.47 6.16 0 0 0 9738 3742 624 0

Conner Creek Area Lower Middle Trinity 30479.6 47.6 68.4 937.4 2523.2 1813.1 759.6 1318.9 0.22 3.08 8.28 5.95 2.49 4.33 820 11248 30279 14505 3039 5276

Dutch Creek Lower Middle Trinity 6106.8 9.5 0 143.9 742.5 1221.6 756 80.9 0 2.36 12.16 20 12.38 1.32 0 1727 8910 9773 3024 324

East Fork North Fork Trin Lower Middle Trinity 29492.5 46.1 0 65.4 227.5 889.7 0 8.2 0 0.22 0.77 3.02 0 0.03 0 785 2730 7117 0 33

Hawkins Creek Lower Middle Trinity 1680.3 2.6 0 133.1 3.4 147.1 0 0 0 7.92 0.2 8.76 0 0 0 1597 41 1177 0 0

Hennessy Creek Lower Middle Trinity 1687.6 2.6 0 70.2 13.9 45.8 8 41.3 0 4.16 0.82 2.71 0.47 2.45 0 842 167 366 32 165

Italian Creek Lower Middle Trinity 1950.9 3 0 0 0.3 578.7 66 0 0 0 0.01 29.66 3.38 0 0 0 3 4630 264 0

Little French Creek Lower Middle Trinity 4091.8 6.4 - - - - - - 0 0 0 0 0 0 0 0 0 0 0 0

Manzanita Creek Lower Middle Trinity 7456.6 11.7 - - - - - - 0 0 0 0 0 0 0 0 0 0 0 0

McDonald Creek Lower Middle Trinity 1863.7 2.9 0 657.1 104.5 271.7 160 0 0 35.26 5.61 14.58 8.59 0 0 7886 1254 2173 640 0

Mill Creek Lower Middle Trinity 3893.4 6.1 0 306.8 403.2 820.4 783.8 840.3 0 7.88 10.36 21.07 20.13 21.58 0 3682 4838 6563 3135 3361

New River Lower Middle Trinity 149403.1 233.4 0 1607.6 2636.5 9418.4 243 154 0 1.08 1.76 6.3 0.16 0.1 0 19291 31638 75347 972 616

North Fork Trinity Lower Middle Trinity 67222.3 105 - - - - - - 0 0 0 0 0 0 0 0 0 0 0 0

Oregon Gulch Lower Middle Trinity 4758.4 7.4 0 45.5 63 177.6 183.8 1605.7 0 0.96 1.32 3.73 3.86 33.74 0 546 756 1420 735 6423

Prairie Creek Lower Middle Trinity 2020 3.2 - - - - - - 0 0 0 0 0 0 0 0 0 0 0 0

Quinby Creek Area Lower Middle Trinity 20163.2 31.5 0 492.5 1145.2 2270.9 0 44.8 0 2.44 5.68 11.26 0 0.22 0 5910 13742 18167 0 179

Sharber Creek Lower Middle Trinity 3611.8 5.6 0 0 352.8 365.9 0 36.8 0 0 9.77 10.13 0 1.02 0 0 4233 2927 0 147

Soldier Creek Lower Middle Trinity 4474.8 7 0 0 1377.1 1984.1 226.4 38 0 0 30.77 44.34 5.06 0.85 0 0 16525 15872 906 152

Swede Creek Lower Middle Trinity 1955.1 3.1 0 0 0 331.8 67 0 0 0 0 16.97 3.43 0 - 0 0 2655 268 0

Browns Creek Upper Middle Trinity 47029.7 73.5 0 5039.2 6049.6 9337.4 4644.3 8861.2 0 10.71 12.86 19.85 9.88 18.84 0 107274 128783 196759 32956 62879

Deadwood Creek Upper Middle Trinity 5829.2 9.1 0 963.7 387.9 136.9 0 675.3 0 16.53 6.65 2.35 0 11.59 0 13959 5618 1574 0 3261

Grass Valley Creek Upper Middle Trinity 16630.9 26 94.1 10605.4 2399.7 90.3 8220.2 4948.9 0.57 63.77 14.43 0.54 49.43 29.76 8903 1003478 227060 11218 259265 156087

Hoadley Gulch Upper Middle Trinity 2233 3.5 0 983.2 118.5 0 182.9 99.1 0 44.03 5.31 0 8.19 4.44 0 84108 10135 0 5215 2826

Indian Creek Upper Middle Trinity 21554.7 33.7 73.5 3293 2405.4 1788 418.8 5237.8 0.34 15.28 11.16 8.3 1.94 24.3 2024 90730 66273 53440 3846 48104

Lewiston Lake Area Upper Middle Trinity 16039.4 25.1 82.7 1326.6 822.9 693.7 482.3 2249.1 0.52 8.27 5.13 4.33 3.01 14.02 992 15919 9875 5550 1929 8996

Lewiston Lake Upper Middle Trinity 690 1.1 0 0 0 0.4 0 0 0 0 0 0.06 0 0 0 0 0 3 0 0

Little Grass Valley Creek Upper Middle Trinity 6927.5 10.8 0 5746.8 11.8 648.7 3500.7 1444.2 0 82.96 0.17 9.36 50.53 20.85 0 688991 1409 103687 139902 57716

Poker Bar Area Upper Middle Trinity 22599.1 35.3 0 4222 553.3 1383.3 1914.1 2697.7 0 18.68 2.45 6.12 8.47 11.94 0 89878 11779 29149 13582 19143

Reading Creek Upper Middle Trinity 19948.8 31.2 0 5446 1477.9 1021.1 1189.3 2365.7 0 27.3 7.41 5.12 5.96 11.86 0 65351 17734 8168 4757 9463

Rush Creek Upper Middle Trinity 14375.1 22.5 3.4 541.4 24.8 1322.4 2886.1 1682.8 0.02 3.77 0.17 9.2 20.08 11.71 41 6497 297 10579 11544 6731

Weaver Creek Upper Middle Trinity 31781 49.7 97.6 1134.5 842.1 2250.9 2253.9 4203.1 0.31 3.57 2.65 7.08 7.09 13.23 1172 13614 10105 18007 9015 16812

Bear Creek Upper Trinity 2879.5 4.5 0 0 0 37.6 0 0 0 0 0 1.31 0 0 0 0 0 301 0 0

Buckeye Creek Upper Trinity 3285.8 5.1 0 0.6 228.5 1013.6 234.6 250 0 0.02 6.95 30.85 7.14 7.61 0 7 2742 8109 938 1000

Cedar Creek Upper Trinity 4485.2 7 242.2 5.9 315.8 638.9 0 156.2 5.4 0.13 7.04 14.25 0 3.48 2907 71 3790 5112 0 625

Coffee Creek Upper Trinity 74475.7 116.4 0 1913.5 1229.8 1494.7 1652.1 263.4 0 2.57 1.65 2.01 2.22 0.35 0 22962 14757 11957 6608 1054

Eagle Creek Upper Trinity 9657.8 15.1 0 0 644.8 409.1 41 0 0 0 6.68 4.24 0.42 0 0 0 7737 3273 164 0

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SUBWSHD	PLANWSHD	AREA_ACRES	AREA_SQMI	THA_1940	THA_1950	THA_1960	THA_1970	THA_1980	THA_1990	THAP_1940	THAP_1950	THAP_1960	THAP_1970	THAP_1980	THAP_1990	THSE_1940	THSE_1950	THSE_1960	THSE_1970	THSE_1980	THSE_1990
Campbell Creek	Lower Trinity	3905.1	6.1	-	1211.5	250.3	169.5	-	8.7	0	31.02	6.41	4.34	0	0.22	-	14538	3004	1356	-	35
Coon Creek	Lower Trinity	3362.8	5.3	-	133.5	1059.6	519.9	-	-	0	3.97	31.51	15.46	0	0	-	1602	12716	4159	-	-
Hoopa Reservation	Lower Trinity	72974.2	114	-	3452.4	12423.6	5943	-	-	0	4.73	17.02	8.14	0	0	-	41428	149083	47544	-	-
Horse Linto Creek	Lower Trinity	41131.8	64.3	-	141.8	1392.4	2314.7	-	-	0	0.34	3.39	5.63	0	0	-	1702	16709	18518	-	-
Lower Trinity Mainstem Ar	Lower Trinity	17233.2	26.9	10.7	2410.5	1755.6	551.2	-	429.8	0.06	13.99	10.19	3.2	0	2.49	128	28925	21068	4410	-	1719
Mill Creek	Lower Trinity	14022	21.9	-	845.7	776.7	340.7	-	-	0	6.03	5.54	2.43	0	0	-	10148	9321	2725	-	-
Supply Creek	Lower Trinity	3057.6	4.8	-	1010.3	902	52.2	-	162.8	0	33.04	29.5	1.71	0	5.32	-	12124	10824	417	-	651
Tish Tang Creek	Lower Trinity	10696.2	16.7	-	-	457.6	227	-	-	0	0	4.28	2.12	0	0	-	-	5491	1816	-	-
Willow Creek	Lower Trinity	27600.8	43.1	1024.5	7063.3	4389.3	1306.5	-	1273.8	3.71	25.59	15.9	4.73	0	4.62	12294	84759	52672	10452	-	5095
Yurok Reservation	Lower Trinity	96.1	0.2	-	-	-	9	-	-	0	0	0	9.4	0	0	-	-	-	72	-	-
Big Bar Creek Area	Lower Middle Trinity	28839.1	45.1	0	1311.4	1524.5	5227.2	320	734.7	0	4.55	5.29	18.13	1.11	2.55	0	15737	18294	41817	1280	2939
Big French Creek	Lower Middle Trinity	24564.7	38.4	0	265.7	350	2257.9	182	0	0	1.08	1.42	9.19	0.74	0	0	3189	4200	18063	728	0
Canadian Creek Area	Lower Middle Trinity	21418.2	33.5	34.8	0	609.4	1240	146.4	82	0.16	0	2.85	5.79	0.68	0.38	418	0	7313	9920	585	328
Canyon Creek	Lower Middle Trinity	40939.6	64	0	32.1	1016.2	113.8	28	171.3	0	0.08	2.48	0.28	0.07	0.42	0	385	12195	910	112	685
Cedar Flat Creek	Lower Middle Trinity	2532.3	4	0	0	811.5	467.7	156	0	0	0	32.05	18.47	6.16	0	0	0	9738	3742	624	0
Conner Creek Area	Lower Middle Trinity	30479.6	47.6	68.4	937.4	2523.2	1813.1	759.6	1318.9	0.22	3.08	8.28	5.95	2.49	4.33	820	11248	30279	14505	3039	5276
Dutch Creek	Lower Middle Trinity	6106.8	9.5	0	143.9	742.5	1221.6	756	80.9	0	2.36	12.16	20	12.38	1.32	0	1727	8910	9773	3024	324
East Fork North Fork Trin	Lower Middle Trinity	29492.5	46.1	0	65.4	227.5	889.7	0	8.2	0	0.22	0.77	3.02	0	0.03	0	785	2730	7117	0	33
Hawkins Creek	Lower Middle Trinity	1680.3	2.6	0	133.1	3.4	147.1	0	0	0	7.92	0.2	8.76	0	0	0	1597	41	1177	0	0
Hennessy Creek	Lower Middle Trinity	1687.6	2.6	0	70.2	13.9	45.8	8	41.3	0	4.16	0.82	2.71	0.47	2.45	0	842	167	366	32	165
Italian Creek	Lower Middle Trinity	1950.9	3	0	0	0.3	578.7	66	0	0	0	0.01	29.66	3.38	0	0	0	3	4630	264	0
Little French Creek	Lower Middle Trinity	4091.8	6.4	-	-	-	-	-	-	0	0	0	0	0	0	0	0	0	0	0	0
Manzanita Creek	Lower Middle Trinity	7456.6	11.7	-	-	-	-	-	-	0	0	0	0	0	0	0	0	0	0	0	0
McDonald Creek	Lower Middle Trinity	1863.7	2.9	0	657.1	104.5	271.7	160	0	0	35.26	5.61	14.58	8.59	0	0	7886	1254	2173	640	0
Mill Creek	Lower Middle Trinity	3893.4	6.1	0	306.8	403.2	820.4	783.8	840.3	0	7.88	10.36	21.07	20.13	21.58	0	3682	4838	6563	3135	3361
New River	Lower Middle Trinity	149403.1	233.4	0	1607.6	2636.5	9418.4	243	154	0	1.08	1.76	6.3	0.16	0.1	0	19291	31638	75347	972	616
North Fork Trinity	Lower Middle Trinity	67222.3	105	-	-	-	-	-	-	0	0	0	0	0	0	0	0	0	0	0	0
Oregon Gulch	Lower Middle Trinity	4758.4	7.4	0	45.5	63	177.6	183.8	1605.7	0	0.96	1.32	3.73	3.86	33.74	0	546	756	1420	735	6423
Prairie Creek	Lower Middle Trinity	2020	3.2	-	-	-	-	-	-	0	0	0	0	0	0	0	0	0	0	0	0
Quinby Creek Area	Lower Middle Trinity	20163.2	31.5	0	492.5	1145.2	2270.9	0	44.8	0	2.44	5.68	11.26	0	0.22	0	5910	13742	18167	0	179
Sharber Creek	Lower Middle Trinity	3611.8	5.6	0	0	352.8	365.9	0	36.8	0	0	9.77	10.13	0	1.02	0	0	4233	2927	0	147
Soldier Creek	Lower Middle Trinity	4474.8	7	0	0	1377.1	1984.1	226.4	38	0	0	30.77	44.34	5.06	0.85	0	0	16525	15872	906	152
Swede Creek	Lower Middle Trinity	1955.1	3.1	0	0	0	331.8	67	0	0	0	0	16.97	3.43	0	-	0	0	2655	268	0
Browns Creek	Upper Middle Trinity	47029.7	73.5	0	5039.2	6049.6	9337.4	4644.3	8861.2	0	10.71	12.86	19.85	9.88	18.84	0	107274	128783	196759	32956	62879
Deadwood Creek	Upper Middle Trinity	5829.2	9.1	0	963.7	387.9	136.9	0	675.3	0	16.53	6.65	2.35	0	11.59	0	13959	5618	1574	0	3261
Grass Valley Creek	Upper Middle Trinity	16630.9	26	94.1	10605.4	2399.7	90.3	8220.2	4948.9	0.57	63.77	14.43	0.54	49.43	29.76	8903	1003478	227060	11218	259265	156087
Hoadley Gulch	Upper Middle Trinity	2233	3.5	0	983.2	118.5	0	182.9	99.1	0	44.03	5.31	0	8.19	4.44	0	84108	10135	0	5215	2826
Indian Creek	Upper Middle Trinity	21554.7	33.7	73.5	3293	2405.4	1788	418.8	5237.8	0.34	15.28	11.16	8.3	1.94	24.3	2024	90730	66273	53440	3846	48104
Lewiston Lake Area	Upper Middle Trinity	16039.4	25.1	82.7	1326.6	822.9	693.7	482.3	2249.1	0.52	8.27	5.13	4.33	3.01	14.02	992	15919	9875	5550	1929	8996
Lewiston Lake	Upper Middle Trinity	690	1.1	0	0	0	0.4	0	0	0	0	0	0.06	0	0	0	0	0	3	0	0
Little Grass Valley Creek	Upper Middle Trinity	6927.5	10.8	0	5746.8	11.8	648.7	3500.7	1444.2	0	82.96	0.17	9.36	50.53	20.85	0	688991	1409	103687	139902	57716
Poker Bar Area	Upper Middle Trinity	22599.1	35.3	0	4222	553.3	1383.3	1914.1	2697.7	0	18.68	2.45	6.12	8.47	11.94	0	89878	11779	29149	13582	19143
Reading Creek	Upper Middle Trinity	19948.8	31.2	0	5446	1477.9	1021.1	1189.3	2365.7	0	27.3	7.41	5.12	5.96	11.86	0	65351	17734	8168	4757	9463
Rush Creek	Upper Middle Trinity	14375.1	22.5	3.4	541.4	24.8	1322.4	2886.1	1682.8	0.02	3.77	0.17	9.2	20.08	11.71	41	6497	297	10579	11544	6731
Weaver Creek	Upper Middle Trinity	31781	49.7	97.6	1134.5	842.1	2250.9	2253.9	4203.1	0.31	3.57	2.65	7.08	7.09	13.23	1172	13614	10105	18007	9015	16812
Bear Creek	Upper Trinity	2879.5	4.5	0	0	0	37.6	0	0	0	0	0	1.31	0	0	0	0	0	301	0	0
Buckeye Creek	Upper Trinity	3285.8	5.1	0	0.6	228.5	1013.6	234.6	250	0	0.02	6.95	30.85	7.14	7.61	0	7	2742	8109	938	1000
Cedar Creek	Upper Trinity	4485.2	7	242.2	5.9	315.8	638.9	0	156.2	5.4	0.13	7.04	14.25	0	3.48	2907	71	3790	5112	0	625
Coffee Creek	Upper Trinity	74475.7	116.4	0	1913.5	1229.8	1494.7	1652.1	263.4	0	2.57	1.65	2.01	2.22	0.35	0	22962	14757	11957	6608	1054
Eagle Creek	Upper Trinity	9657.8	15.1	0	0	644.8	409.1	41	0	0	0	6.68	4.24	0.42	0	0	0	7737	3273	164	0