941 INDEX _____

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Access to USGS Water Data...... 27 Ground-water levels...... 926 Alsea River, near Tidewater...... 716 Applegate Lake near Copper ...... 885 Applegate River, near Applegate ...... 894 Haskins Creek below Reservoir, near McMinnville ...... 556 near Copper...... 886 Haskins Creek Reservoir near McMinnville...... 555 near Wilderville...... 899 Hood River at Tucker Bridge, near Hood River ...... 235

Bear Creek (Grande Ronde River basin) near Wallowa ...... 121 Illinois River near Kerby...... 908 Bear Creek (Rogue River basin) at Medford ...... 874 Imnaha River at Imnaha...... 104 below Ashland Creek, at Ashland...... 872 Introduction...... 1 Beaver Creek (Sandy River Basin)at Troutdale...... 296 Beaver Creek (Deschutes River Basin) below Quartz Creek, near Simnasho ...... 221 Big Butte Creek, near McLeod ...... 844 Jefferson Creek near Camp Sherman...... 196 Blazed Alder Creek near Rhododendron ...... 253 Joe Ney Creek, diversion from ...... 826 Blowout Creek near Detroit ...... 461 John Day River, at Blue Mtn Hot Springs near Prairie City...... 161 Blue River, at Blue River ...... 375 at McDonald Ferry...... 181 Boulder Creek near Toketee Falls...... 787 at Service Creek...... 173 Breitenbush River above French Creek, near Detroit ...... 446 near John Day ...... 164 Bull Creek near Wilhoit ...... 564 Middle Fork, at Ritter ...... 167 Bull Run Lake near Brightwood...... 245 North Fork, at Monument ...... 170 Bull Run Reservoir Number One near Bull Run ...... 277 Johnson Creek, at Milwaukie...... 666 Bull Run Reservoir Number Two near Bull Run...... 285 at Regner Road, Gresham ...... 647 , at Lower Flume, near Brightwood...... 246 at Sycamore ...... 657 near Bull Run ...... 286,288 near Multnomah Falls ...... 256 North Fork, near Multnomah Falls ...... 270 Kelley Creek at 159th Drive, Portland...... 652 South Fork, near Bull Run ...... 278 Klamath River, at Keno...... 74 below Iron Gate Dam, CA ...... 80 below John C. Boyle Powerplant, near Keno ...... 77 Cedar Creek at Springfield...... 395 Klamath River Basin, discharge measurements at miscellaneous sites in...... 919 Chemical quality of precipitation ...... 914 Chetco River near Brookings...... 911 Clackamas River, above Three Lynx Creek...... 609 Lake Billy Chinook near Metolius...... 205 at Carter Bridge, near Estacada...... 612 Lake Creek near Diamond Lake ...... 748 at Estacada ...... 618 Lakes and Reservoir near City...... 631 Applegate Lake near Copper ...... 9885 Clearwater River above Trap Creek, near Toketee Falls...... 761 Billy Chinook, Lake, near Metolius...... 205 below Mowich Creek ...... 766 Bull Run Lake near Brightwood...... 245 Clearwater No. 1 Power Canal near Toketee Falls ...... 759 Bull Run Reservoir Number One near Bull Run ...... 277 Clearwater No. 2 Power Canal near Toketee Falls ...... 764 Bull Run Reservoir Number Two near Bull Run...... 285 , at Beaver Army Terminal ...... 681 Crater Lake near Crater Lake...... 57 at The Dalles ...... 232 Fern Ridge Lake...... 411 at Vancouver...... 299 Galesville Reservoir near Azalea...... 732 below Bonneville Dam...... 239 Haskins Creek Reservoir near McMinnville...... 555 at Portland...... 679 Lemolo Lake near Toketee Falls...... 752 Cooperation...... 2 Lost Creek Lake near McLeod ...... 843 Coquille River, South Fork, at Powers...... 829 Lower Pony Creek Reservoir at Coos Bay ...... 826 Cow Creek, above Galesville Reservoir, near Azalea...... 727 McGuire Lake near Fairdale ...... 704 near Azalea ...... 733 Silver Lake Ranger Station (precipitation) ...... 914 near Riddle...... 742 Smith River Reservoir near Belknap Springs ...... 348 West Fork, near Glendale...... 739 Timothy Lake near Government Camp ...... 600 Crater Lake near Crater Lake...... 57 Upper Klamath Lake near Klamath Falls ...... 70 Crooked River, below Opal Springs, near Culver...... 193 Upper Pony Creek Reservoir near Coos Bay...... 826 Crooked River, below Osborne Canyon, near Opal City...... 189 Willow Creek Lake at Heppner ...... 155 at Bybee Street, Portland ...... 662 Lebanon Santiam Canal near Lebanon ...... 529 at mouth ...... 664 Lemolo Lake near Toketee Falls...... 752 Link River at Klamath Falls...... 71 Little North Santiam River near Mehama...... 484 Definition of terms...... 27 Little River at Peel ...... 810 Deschutes River at Moody, near Biggs...... 227 Little Sandy River near Bull Run...... 293 near Culver...... 186 Lobster Creek, East Fork, near Alsea ...... 713 near Madras...... 206 Long Tom River, at Monroe...... 421 Discharge at partial-record stations and miscellaneous sites...... 919 near Alvadore...... 414 Discontinued Surface-Water or Stage only Stations...... xv near Noti ...... 408 Discontinued Surface-Water Quality Stations ...... xxvi Lookingglass Creek near Looking Glass...... 107 Donner und Blitzen River near Frenchglen ...... 53 Lookout Creek near Blue River ...... 372 Lost Creek Lake near McLeod ...... 843 Lostine River at Baker Road, near Lostine...... 118 East Fork Ashland Creek near Ashland...... 869 near Lostine ...... 115 East Fork Dairy Creek near Meacham Corner...... 586 Lower Pony Creek Reservoir at Coos Bay ...... 826 Elk Creek near Trail...... 852 Lower Pony Creek Reservoir, diversion from ...... 826 Explanation of the records ...... 10 Luckiamute River near Suver ...... 544

Fairview Creek at Glisan Street, near Gresham...... 676 Malheur River below Nevada Dam, near Vale...... 96 Fall Creek at Copco, CA...... 79 below Warmsprings Reservoir, near Riverside ...... 90 Fall Creek, below Winberry Creek, near Fall Creek...... 316 North Fork, at Beulah ...... 93 at Durham Road...... 591 Marys River near Philomath ...... 424 at 56th Avenue ...... 588 McGuire Lake near Fairdale ...... 704 Fern Ridge Lake...... 411 McKenzie River, above South Fork, near Rainbow...... 351 Fir Creek near Brightwood ...... 263 at Outlet of Clear Lake...... 243 Fish Creek abvove Slipper Creek, near Toketee Falls (Umpqua River) ...... 773 below Trail Bridge Dam, near Belknap Springs...... 349 near Three Lynx () ...... 609 below Leaburg Dam...... 389 French Creek near Detroit...... 449 near Vida...... 382 near Walterville...... 391 Gaging station records ...... 50 South Fork, above Cougar Lake, near Rainbow ...... 357 Galesville Reservoir near Azalea...... 732 near Rainbow ...... 364 Grande Ronde River at Troy ...... 130 Meacham Creek at Gibbon ...... 138 INDEX-Continued 942 _____

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Metolius River near Grandview...... 202 Steamboat Creek near Glide...... 797 Mill Creek near Badger Butte, near Warm Springs...... 218 Summary of hydrologic conditions ...... 3 Minam River at Minam ...... 127 Mohawk River near Springfield ...... 398 Molalla River near Canby...... 569 Thomas Creek near Crabtree...... 537 Mosier Creek near Mosier ...... 234 near Scio ...... 534 Mosier Creek Basin, discharge measurements at miscellaneous sites in ...... 919 Timothy Lake near Government Camp ...... 600 Trask River above Cedar Creek, near Tillamook ...... 701 Nate Creek Tributory near Colton ...... 567 below Nettle Creek, near Lake Oswego...... 644 Nehalem River near Foss...... 695 Tualatin River, at West Linn...... 594 near Vernonia...... 692 near Dilley ...... 583 Nestucca River near Fairdale...... 705 Tucca Creek near Blaine...... 707 Nestucca River Basin, discharge measurements at miscellaneous sites in...... 921 Tutuilla Creek at Pendleton ...... 149 North Fork Hinkle Creek near Nonpareil...... 820 North Santiam at Geren Island Water Treatment Plant ...... 508 at Mehama ...... 496 Umatilla River, above Meacham Creek, near Gibbon...... 135 at Niagara...... 474 at West Reservation boundary, near Pendleton ...... 144 below Boulder Creek, near Detroit...... 434 near Umatilla ...... 149 North Umpqua River, above Copeland Creek, near Toketee Falls...... 792 Umpqua River Basin, discharge measurements at miscellaneous sites in ...... 921 above White Mule Creek...... 753 Umpqua River near Elkton...... 822 at Soda Springs...... 777 Upper Klamath Lake near Klamath Falls...... 70 at Toketee Falls...... 768 Upper Pony Creek Reservoir near Coos Bay ...... 826 at Winchester ...... 815 below Lemolo Lake, near Toketee Falls...... 755 below Slide Creek Dam, near Toketee Falls...... 771 Wallowa River above Cross Country Canal, near Enterprise...... 112 below Soda Springs Reservoir, near Toketee Falls...... 775 below Water Canyon, near Wallowa...... 124 below Warm Springs Creek, near Toketee Falls...... 758 Warm Springs River near Kahneeta Hot Springs ...... 224 near Idleyld...... 800 near Simnasho ...... 215 West Fork Ashland Creek near Ashland...... 866 Whitewater River near Camp Sherman ...... 199 Oak Grove Fork, above Powerplant Intake...... 603 Wiley Creek near Foster ...... 521 near Government Camp...... 601 Willamette River, above Falls, at Oregon City...... 597 Owyhee River, below Owyhee Dam ...... 89 at Albany ...... 427 near Rome...... 83 at Harrisburg...... 401 at Keizer...... 550 at Newberg...... 559 at Portland...... 671 Pine Creek near Clarno...... 176 at Salem ...... 547 Pony Creek at Coos Bay...... 826 below Falls, at Oregon City...... 598 Publications on Techniques of Water-Resources Investigations...... 47 Coast Fork, below Cottage Grove Dam...... 327 Pudding River at Aurora...... 578 near Goshen...... 338 Pudding River near Woodburn ...... 575 Middle Fork, above Salt Creek, near Oakridge...... 303 at Jasper ...... 321 below North Fork, near Oakridge...... 305 Quartzville Creek near Cascadia ...... 519 near Dexter ...... 308 Willamette River Basin, discharge measurements at miscellaneous sites in ...... 920 Rogue River at Dodge Bridge, near Eagle Point ...... 859 Williamson River, below Sprague River, near Chiloquin...... 67 at Grants Pass...... 882 near Klamath Agency...... 58 at Raygold, near Central Point...... 877 Willow Creek above Willow Creek Lake, near Heppner ...... 152 below Prospect...... 834 at Heppner ...... 156 near Agness ...... 904 Willow Creek Lake at Heppner ...... 155 near McLeod...... 847 Wilson River near Tillamook ...... 698 South Fork, near Prospect...... 837 Winberry Creek near Lowell ...... 313 Rogue River Basin, discharge measurements at miscellaneous sites in...... 921 Row River, above Pitcher Creek, near Dorena ...... 331 near Cottage Grove...... 334 Zollner Creek near Mount Angel ...... 572 Rowena Creek Basin, miscellaneous measurements...... 919

Sandy River, below Bull Run River, near Bull Run ...... 293 near Marmot ...... 242 Sandy River Basin, discharge measurements at miscellaneous sites in ...... 919 Santiam River at Jefferson...... 538 near Jefferson...... 541 Schafer Creek near LaComb ...... 531 Scoggins Creek below Henry Hagg Lake, near Gaston ...... 581 Shitike Creek at Peters Pasture, near Warm Springs ...... 209 near Warm Springs ...... 212 Siletz River at Siletz ...... 710 Silver Lake Ranger Station (precipitation gage) ...... 914 Siuslaw River near Mapleton...... 719 Smith River above Smith River Reservoir, near Belknap Springs ...... 345 Smith River Reservoir near Belknap Springs...... 348 Snake River at Hells Canyon Dam ...... 101 at Johnson Bar, ID ...... 103 at Nyssa ...... 89 South Fork Hinkle Creek near Nonpareil...... 818 South Santiam River, at Waterloo...... 528 below Cascadia...... 516 near Foster ...... 524 South Umpqua River, at Tiller...... 724 near Brockway...... 745 South Yamhill River at McMinnville...... 552 Special networks and programs...... 9 Sprague River, near Chiloquin...... 64 North Fork, at Powerplant, near Bly...... 61 Squaw Creek near Gibbon...... 141 Star Gulch near Ruch...... 891