Occupations in Yolo, California (Unincorporated Place)

Occupations#1

Percentage of the civilian employed population aged 16 and older.
Scope: population of California and Yolo
Yolo
California
0%5%10%15%CountProductionConstruction1Sales and RelatedFacilitiesHealthcare SupportEducation2Farming3Repair4TransportationAdministrativeBusiness5ManagementComputers & MathEngineering6ScienceSocial ServiceLegalEntertainment7Healthcare8Health TechniciansFire FightingLaw EnforcementFood ServicePersonal CareMaterial Moving16.666667%5.106490%16.666667%16.7%3612.962963%4.723555%12.962963%13.0%2811.111111%10.808048%11.111111%11.1%2410.185185%4.289235%10.185185%10.2%228.796296%1.948366%8.796296%8.8%198.333333%5.424852%8.333333%8.3%187.870370%1.630441%7.870370%7.9%177.407407%2.752763%7.407407%7.4%166.944444%3.271965%6.944444%6.9%156.018519%12.616471%6.018519%6.0%133.703704%5.027325%3.703704%3.7%80.000000%0.000000%0.0%10.271448%00.000000%0.000000%0.0%3.240971%00.000000%0.000000%0.0%2.149212%00.000000%0.000000%0.0%1.035026%00.000000%0.000000%0.0%1.523598%00.000000%0.000000%0.0%1.240810%00.000000%0.000000%0.0%2.809387%00.000000%0.000000%0.0%3.434381%00.000000%0.000000%0.0%1.497268%00.000000%0.000000%0.0%1.263152%00.000000%0.000000%0.0%0.813443%00.000000%0.000000%0.0%5.700938%00.000000%0.000000%0.0%4.717712%00.000000%0.000000%0.0%2.703141%0
Count number of people employed in given occupation
1Construction and extraction 2Education, training, and library 3Farming, fishing, and forestry 4Installation, maintenance, and repair 5Business and finance 6Engineering and architecture 7Arts, design, entertainment, sports, and media 8Health diagnosing and treating practitioners

Relative Occupations#2

Percentage more or less common in Yolo than in California, among the civilian employed population aged 16 and older.
Scope: population of California and Yolo
Less Common
More Common
0%200%%ref.Farming1Healthcare SupportProductionConstruction2Repair3FacilitiesTransportationEducation4Sales and RelatedBusiness5AdministrativeManagementComputers & MathEngineering6ScienceSocial ServiceLegalEntertainment7Healthcare8Health TechniciansFire FightingLaw EnforcementFood ServicePersonal CareMaterial Moving382.714090%382.714090%382.7%7.870%7.87%1.630%1.63%351.470504%351.470504%351.5%8.796%8.80%1.948%1.95%226.382048%226.382048%226.4%16.667%16.7%5.106%5.11%174.432339%174.432339%174.4%12.963%13.0%4.724%4.72%169.089942%169.089942%169.1%7.407%7.41%2.753%2.75%137.459225%137.459225%137.5%10.185%10.2%4.289%4.29%112.240768%112.240768%112.2%6.944%6.94%3.272%3.27%53.614012%53.614012%53.6%8.333%8.33%5.425%5.42%2.804047%2.804047%2.8%11.111%11.1%10.808%10.8%-26.328536%-26.328536%26.3%3.704%3.70%5.027%5.03%-52.296339%-52.296339%52.3%6.019%6.02%12.616%12.6%-100.000000%-100.000000%100.0%0.000%0%10.271%10.3%-100.000000%-100.000000%100.0%0.000%0%3.241%3.24%-100.000000%-100.000000%100.0%0.000%0%2.149%2.15%-100.000000%-100.000000%100.0%0.000%0%1.035%1.04%-100.000000%-100.000000%100.0%0.000%0%1.524%1.52%-100.000000%-100.000000%100.0%0.000%0%1.241%1.24%-100.000000%-100.000000%100.0%0.000%0%2.809%2.81%-100.000000%-100.000000%100.0%0.000%0%3.434%3.43%-100.000000%-100.000000%100.0%0.000%0%1.497%1.50%-100.000000%-100.000000%100.0%0.000%0%1.263%1.26%-100.000000%-100.000000%100.0%0.000%0%0.813%0.81%-100.000000%-100.000000%100.0%0.000%0%5.701%5.70%-100.000000%-100.000000%100.0%0.000%0%4.718%4.72%-100.000000%-100.000000%100.0%0.000%0%2.703%2.70%
% percentage of occupation in Yolo
ref. percentage of occupation in California
1Farming, fishing, and forestry 2Construction and extraction 3Installation, maintenance, and repair 4Education, training, and library 5Business and finance 6Engineering and architecture 7Arts, design, entertainment, sports, and media 8Health diagnosing and treating practitioners

Sex Ratio by Occupation#3

Sex ratio by occupation among the civilian employed population aged 16 and older.
Scope: population of California and Yolo
Female Male
California
Yolo
2x1x0x1x2xFMAll OccupationsFacilities-1.000000x-1.000000x-1.000000x2.176471x1.180019x2.176471x2.18x68148-1.000000x-1.000000x-1.000000x1.200000x1.496928x1.200000x1.20x1012
F number of females employed in given occupation
M number of males employed in given occupation

Part Timers by Occupation#4

Part time and seasonal workers as a percentage of total workforce within an occupation.
Scope: population of California and Yolo
Yolo
California
0%50%100%PartFullEducation1Farming2FacilitiesAll OccupationsBusiness3Healthcare SupportSales and RelatedAdministrativeConstruction4Repair5ProductionTransportation100.000000%52.270921%100.000000%100.0%180100.000000%46.849975%100.000000%100.0%17045.454545%40.183838%45.454545%45.5%101220.833333%33.330310%20.833333%20.8%451710.000000%0.000000%0.0%21.127809%080.000000%0.000000%0.0%41.128342%0190.000000%0.000000%0.0%38.973947%0240.000000%0.000000%0.0%33.420499%0130.000000%0.000000%0.0%34.036682%0280.000000%0.000000%0.0%18.872931%0160.000000%0.000000%0.0%22.002061%0360.000000%0.000000%0.0%27.952177%015
Part number of part time workers employed in given occupation
Full number of full time workers employed in given occupation
1Education, training, and library 2Farming, fishing, and forestry 3Business and finance 4Construction and extraction 5Installation, maintenance, and repair 6Engineering and architecture 7Arts, design, entertainment, sports, and media 8Health diagnosing and treating practitioners

Median Income by Occupation#5

For the full-time year-round civilian employed population aged 16 and older.
Scope: population of California and Yolo
Yolo
California
$0k$10k$20k$30k$40k%CountAll Occupations$47,171.000000$48,787.000000$47,171.000000$47.2k100.000%100%216
% percent of the workforce employed in given occupation
Count number of people employed in given occupation
1Business and finance 2Engineering and architecture 3Education, training, and library 4Arts, design, entertainment, sports, and media 5Health diagnosing and treating practitioners 6Farming, fishing, and forestry 7Construction and extraction 8Installation, maintenance, and repair

Occupations by Place in the Sacramento Area

There are 83 places in the Sacramento Area. This section compares Yolo to all of the places in the Sacramento Area and to those entities that contain or substantially overlap with Yolo.

Management Occupations by Place#6

Percentage of the civilian employed population aged 16 and older.
Scope: population of Yolo, selected other places in the Sacramento Area, and entities that contain Yolo
0%10%20%30%Count#McClellan ParkMcClellan PkPenrynFranklinAltaCarnelian BayGranite BayGold RiverMeadow VistaClarksburgMonument HillsMonument HlsEl Dorado HillsEl Dorado HlsTahoe VistaFair OaksRancho MurietaWalnut GroveFolsomSheridanGuindaOrangevaleLa RivieraRocklinGrizzly FlatsClayShingle SpringsShingle SpgsAuburnRosevilleSunnyside-Tahoe CitySunnyside-Tahoe …Arden-ArcadeElk GroveWiltonPacificWestCaliforniaUnited States of AmericaUnited StatesDavisSacramento, Roseville, Arden, and Arcade Metro AreaSacramentoYolo CountyYoloWoodland Joint Unified School DistrictWoodlandWintersMatherSacramentoCitrus HeightsCitrus HtsRosemontFruitridge PocketFlorin011400Tract 011400MadisonDunniganYoloHoodKingvaleFreeport38.787879%38.787879%38.8%128129.873418%29.873418%29.9%118228.070175%28.070175%28.1%16324.431818%24.431818%24.4%43420.289855%20.289855%20.3%42520.110386%20.110386%20.1%2,004619.569231%19.569231%19.6%636718.424855%18.424855%18.4%255818.064516%18.064516%18.1%56917.148982%17.148982%17.1%1601017.072548%17.072548%17.1%3,3441116.562889%16.562889%16.6%1331215.594382%15.594382%15.6%2,2761314.842712%14.842712%14.8%3351414.081996%14.081996%14.1%791513.909150%13.909150%13.9%4,6911613.416816%13.416816%13.4%751713.157895%13.157895%13.2%151812.802249%12.802249%12.8%2,0491912.464265%12.464265%12.5%6542012.428770%12.428770%12.4%3,5772112.280702%12.280702%12.3%142211.700183%11.700183%11.7%642311.547563%11.547563%11.5%2442411.214953%11.214953%11.2%6962511.208055%11.208055%11.2%6,7572611.159420%11.159420%11.2%772710.943653%10.943653%10.9%4,5022810.853487%10.853487%10.9%8,0422910.849910%10.849910%10.8%2403010.351683%10.351683%10.4%2,459,5242.46M10.273445%10.273445%10.3%3,534,0223.53M10.271448%10.271448%10.3%1,805,4271.81M10.035605%10.035605%10.0%14,852,82814.9M9.952117%9.952117%10.0%3,180369.902919%9.902919%9.9%97,97898.0k9.902826%9.902826%9.9%9,2949.308096%9.308096%9.3%2,6268.963251%8.963251%9.0%300428.635667%8.635667%8.6%169478.624270%8.624270%8.6%18,56418.6k488.249304%8.249304%8.2%3,346536.454816%6.454816%6.5%715594.708960%4.708960%4.7%72653.856507%3.856507%3.9%702713.335156%3.335156%3.3%611.953125%1.953125%2.0%5770.000000%0.000000%0.0%0790.000000%0.000000%0.0%0800.000000%0.000000%0.0%0810.000000%0.000000%0.0%0820.000000%0.000000%0.0%083

Occupations by Place in California

There are 1,522 places in California. This section compares Yolo to the 50 most populous places in California and to those entities that contain or substantially overlap with Yolo. The least populous of the compared places has a population of 121,320.

Management Occupations by Place#31

Percentage of the civilian employed population aged 16 and older.
Scope: population of Yolo, selected other places in California, and entities that contain Yolo
0%5%10%15%Count#Thousand OaksIrvineTorranceSan FranciscoHuntington BeachHuntington BchSimi ValleyFremontSunnyvaleSanta ClaritaPasadenaOrangeFullertonSan JoseRosevilleOaklandSanta ClaraRancho CucamongaSan DiegoCoronaElk GroveConcordPacificGlendaleWestCaliforniaUnited States of AmericaUnited StatesSanta RosaSacramento, Roseville, Arden, and Arcade Metro AreaSacramentoYolo CountyYoloVisaliaWoodland Joint Unified School DistrictWoodlandLos AngelesOceansideLong BeachChula VistaBakersfieldSacramentoLancasterAnaheimHaywardRiversidePalmdaleModestoEscondidoFresnoGarden GroveFontanaMoreno ValleyOntarioVictorvillePomonaStocktonSalinasOxnardSanta AnaSan BernardinoEast Los AngelesE Los Angeles011400Tract 011400Yolo16.429697%16.429697%16.4%10,31910.3k116.413275%16.413275%16.4%19,71319.7k214.419359%14.419359%14.4%10,40410.4k314.223023%14.223023%14.2%69,48869.5k414.219868%14.219868%14.2%14,68514.7k513.404383%13.404383%13.4%8,691613.176456%13.176456%13.2%14,88914.9k713.153403%13.153403%13.2%10,24910.2k812.977220%12.977220%13.0%11,51311.5k912.826880%12.826880%12.8%9,2461011.721441%11.721441%11.7%8,0321111.512335%11.512335%11.5%7,7281211.361392%11.361392%11.4%56,83456.8k1311.208055%11.208055%11.2%6,7571411.198314%11.198314%11.2%23,11523.1k1511.161418%11.161418%11.2%7,2231611.105100%11.105100%11.1%9,2371711.024488%11.024488%11.0%73,85973.9k1810.880534%10.880534%10.9%8,2161910.853487%10.853487%10.9%8,0422010.400526%10.400526%10.4%6,4842110.351683%10.351683%10.4%2,459,5242.46M10.346902%10.346902%10.3%9,8042210.273445%10.273445%10.3%3,534,0223.53M10.271448%10.271448%10.3%1,805,4271.81M10.035605%10.035605%10.0%14,852,82814.9M9.979124%9.979124%10.0%8,413239.902919%9.902919%9.9%97,97898.0k9.902826%9.902826%9.9%9,2949.549153%9.549153%9.5%4,988249.308096%9.308096%9.3%2,6269.255983%9.255983%9.3%176,223176k259.120263%9.120263%9.1%7,146269.048877%9.048877%9.0%20,04120.0k278.864402%8.864402%8.9%10,07210.1k288.640150%8.640150%8.6%13,38113.4k298.624270%8.624270%8.6%18,56418.6k308.193551%8.193551%8.2%4,533318.085512%8.085512%8.1%13,49113.5k327.996671%7.996671%8.0%6,053337.472474%7.472474%7.5%10,47210.5k347.185373%7.185373%7.2%4,213356.950190%6.950190%7.0%5,813366.916746%6.916746%6.9%4,748376.791033%6.791033%6.8%13,77513.8k386.391718%6.391718%6.4%5,260396.271999%6.271999%6.3%5,613405.959190%5.959190%6.0%4,991415.948839%5.948839%5.9%4,579425.945878%5.945878%5.9%2,362435.687130%5.687130%5.7%3,674445.573501%5.573501%5.6%6,384455.245843%5.245843%5.2%3,524465.229494%5.229494%5.2%4,971475.032356%5.032356%5.0%7,831484.079292%4.079292%4.1%3,130493.575106%3.575106%3.6%1,840503.335156%3.335156%3.3%610.000000%0.000000%0.0%0

Occupations by Place in the West

There are 5,635 places in the West. This section compares Yolo to the 50 most populous places in the West and to those entities that contain or substantially overlap with Yolo. The least populous of the compared places has a population of 180,303.

Management Occupations by Place#56

Percentage of the civilian employed population aged 16 and older.
Scope: population of Yolo, selected other places in the West, and entities that contain Yolo
0%5%10%15%Count#ScottsdaleIrvineSeattleSan FranciscoHuntington BeachHuntington BchFremontSanta ClaritaChandlerDenverGilbertPortlandSan JoseOaklandSan DiegoAnchorageColorado SpringsColorado SpgsPacificGlendaleBoise CityWestCaliforniaUnited States of AmericaUnited StatesHendersonSacramento, Roseville, Arden, and Arcade Metro AreaSacramentoYolo CountyYoloUrban HonoluluWoodland Joint Unified School DistrictWoodlandSalt Lake CitySalt Lk CityLos AngelesPhoenixLong BeachAlbuquerqueChula VistaAuroraRenoBakersfieldSacramentoMesaGlendaleSpokaneTacomaAnaheimLas VegasRiversideSpring ValleyModestoTucsonFresnoParadiseFontanaMoreno ValleyNorth Las VegasN Las VegasStocktonOxnardSanta AnaSan BernardinoSunrise Manor011400Tract 011400Yolo16.632705%16.632705%16.6%19,83519.8k116.413275%16.413275%16.4%19,71319.7k214.482924%14.482924%14.5%57,27257.3k314.223023%14.223023%14.2%69,48869.5k414.219868%14.219868%14.2%14,68514.7k513.176456%13.176456%13.2%14,88914.9k612.977220%12.977220%13.0%11,51311.5k712.678288%12.678288%12.7%16,00016.0k812.512177%12.512177%12.5%45,08245.1k912.277435%12.277435%12.3%13,51513.5k1011.451507%11.451507%11.5%38,06038.1k1111.361392%11.361392%11.4%56,83456.8k1211.198314%11.198314%11.2%23,11523.1k1311.024488%11.024488%11.0%73,85973.9k1410.980633%10.980633%11.0%16,82216.8k1510.793159%10.793159%10.8%22,70622.7k1610.351683%10.351683%10.4%2,459,5242.46M10.346902%10.346902%10.3%9,8041710.296887%10.296887%10.3%11,59111.6k1810.273445%10.273445%10.3%3,534,0223.53M10.271448%10.271448%10.3%1,805,4271.81M10.035605%10.035605%10.0%14,852,82814.9M9.955162%9.955162%10.0%12,92212.9k199.902919%9.902919%9.9%97,97898.0k9.902826%9.902826%9.9%9,2949.407013%9.407013%9.4%16,41916.4k209.308096%9.308096%9.3%2,6269.281748%9.281748%9.3%9,577219.255983%9.255983%9.3%176,223176k229.254368%9.254368%9.3%66,28766.3k239.048877%9.048877%9.0%20,04120.0k248.924684%8.924684%8.9%23,37023.4k258.864402%8.864402%8.9%10,07210.1k268.709173%8.709173%8.7%15,26315.3k278.696955%8.696955%8.7%10,15510.2k288.640150%8.640150%8.6%13,38113.4k298.624270%8.624270%8.6%18,56418.6k308.443649%8.443649%8.4%18,12118.1k318.435210%8.435210%8.4%9,025328.340982%8.340982%8.3%7,815338.294730%8.294730%8.3%7,986348.085512%8.085512%8.1%13,49113.5k357.602876%7.602876%7.6%20,71720.7k367.472474%7.472474%7.5%10,47210.5k377.023074%7.023074%7.0%6,952386.950190%6.950190%7.0%5,813396.869088%6.869088%6.9%15,99016.0k406.791033%6.791033%6.8%13,77513.8k416.583813%6.583813%6.6%7,496426.271999%6.271999%6.3%5,613435.959190%5.959190%6.0%4,991445.893894%5.893894%5.9%5,828455.573501%5.573501%5.6%6,384465.229494%5.229494%5.2%4,971475.032356%5.032356%5.0%7,831484.079292%4.079292%4.1%3,130493.989213%3.989213%4.0%3,210503.335156%3.335156%3.3%610.000000%0.000000%0.0%0

Occupations by Place in the United States

There are 29,322 places in the United States. This section compares Yolo to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Yolo. The least populous of the compared places has a population of 383,899.

Management Occupations by Place#81

Percentage of the civilian employed population aged 16 and older.
Scope: population of Yolo, selected other places in the United States, and entities that contain Yolo
0%5%10%15%Count#WashingtonSeattleSan FranciscoAtlantaDenverRaleighAustinCharlottePortlandSan JoseOaklandMinneapolisSan DiegoVirginia BeachVirginia BchBostonColorado SpringsColorado SpgsPacificWestCaliforniaUnited States of AmericaUnited StatesNew YorkSacramento, Roseville, Arden, and Arcade Metro AreaSacramentoYolo CountyYoloChicagoNashville-DavidsonOklahoma CityWoodland Joint Unified School DistrictWoodlandLos AngelesOmahaPhoenixFort WorthMiamiDallasLong BeachKansas CityJacksonvilleColumbusAlbuquerqueWichitaTulsaLouisvilleSacramentoBaltimoreIndianapolisHoustonSan AntonioMesaArlingtonEl PasoLas VegasPhiladelphiaMemphisTucsonFresnoMilwaukeeClevelandDetroit011400Tract 011400Yolo16.121186%16.121186%16.1%56,13856.1k114.482924%14.482924%14.5%57,27257.3k214.223023%14.223023%14.2%69,48869.5k313.593190%13.593190%13.6%29,91129.9k412.512177%12.512177%12.5%45,08245.1k512.318859%12.318859%12.3%29,05629.1k612.235944%12.235944%12.2%62,22162.2k711.663665%11.663665%11.7%48,44248.4k811.451507%11.451507%11.5%38,06038.1k911.361392%11.361392%11.4%56,83456.8k1011.198314%11.198314%11.2%23,11523.1k1111.090883%11.090883%11.1%25,34325.3k1211.024488%11.024488%11.0%73,85973.9k1310.931599%10.931599%10.9%23,73623.7k1410.835836%10.835836%10.8%38,39738.4k1510.793159%10.793159%10.8%22,70622.7k1610.351683%10.351683%10.4%2,459,5242.46M10.273445%10.273445%10.3%3,534,0223.53M10.271448%10.271448%10.3%1,805,4271.81M10.035605%10.035605%10.0%14,852,82814.9M9.915305%9.915305%9.9%395,781396k179.902919%9.902919%9.9%97,97898.0k9.902826%9.902826%9.9%9,2949.686446%9.686446%9.7%125,034125k189.686025%9.686025%9.7%32,96633.0k199.406453%9.406453%9.4%27,91627.9k209.308096%9.308096%9.3%2,6269.255983%9.255983%9.3%176,223176k219.255914%9.255914%9.3%20,95421.0k229.254368%9.254368%9.3%66,28766.3k239.169305%9.169305%9.2%34,69534.7k249.083882%9.083882%9.1%18,33218.3k259.066233%9.066233%9.1%56,34856.3k269.048877%9.048877%9.0%20,04120.0k279.034554%9.034554%9.0%21,35121.4k288.957206%8.957206%9.0%35,34235.3k298.942500%8.942500%8.9%38,75038.8k308.924684%8.924684%8.9%23,37023.4k318.828501%8.828501%8.8%16,19216.2k328.694967%8.694967%8.7%16,54416.5k338.640428%8.640428%8.6%25,23125.2k348.624270%8.624270%8.6%18,56418.6k358.534917%8.534917%8.5%23,46323.5k368.530679%8.530679%8.5%34,45234.5k378.489789%8.489789%8.5%92,76392.8k388.460838%8.460838%8.5%55,56355.6k398.443649%8.443649%8.4%18,12118.1k408.374435%8.374435%8.4%16,11316.1k418.289786%8.289786%8.3%23,16123.2k427.602876%7.602876%7.6%20,71720.7k437.552407%7.552407%7.6%49,46249.5k446.969860%6.969860%7.0%20,01220.0k456.869088%6.869088%6.9%15,99016.0k466.791033%6.791033%6.8%13,77513.8k476.680024%6.680024%6.7%17,83717.8k486.287799%6.287799%6.3%9,409494.999593%4.999593%5.0%11,05911.1k503.335156%3.335156%3.3%610.000000%0.000000%0.0%0

Definitions

An occupation describes the kind of work a person does on the job. On this page, all employed persons are categorized into one of the following occupations (bolded terms are used in the charts and maps on this page):

  • Management, business, science, and arts occupations:
    • Management, business, and financial occupations:
      • Management: Management occupations
      • Business: Business and financial operations occupations
    • Computer, engineering, and science occupations:
      • Computers & Math: Computer and mathematical occupations
      • Engineering: Architecture and engineering occupations
      • Science: Life, physical, and social science occupations
    • Education, legal, community service, arts, and media occupations:
      • Social Service: Community and social service occupations
      • Legal: Legal occupations
      • Education: Education, training, and library occupations
      • Entertainment: Arts, design, entertainment, sports, and media occupations
    • Healthcare practitioners and technical occupations:
      • Healthcare: Health diagnosing and treating practitioners and other technical occupations
      • Health Technicians: Health technologists and technicians
  • Service occupations:
    • Healthcare Support: Healthcare support occupations
    • Protective service occupations:
      • Fire Fighting: Fire fighting and prevention, and other protective service workers including supervisors
      • Law Enforcement: Law enforcement workers including supervisors
    • Food Service: Food preparation and serving related occupations
    • Facilities: Building and grounds cleaning and maintenance occupations
    • Personal Care: Personal care and service occupations
  • Sales and office occupations:
    • Sales and Related: Sales and related occupations
    • Administrative: Office and administrative support occupations
  • Natural resources, construction, and maintenance occupations:
    • Farming: Farming, fishing, and forestry occupations
    • Construction: Construction and extraction occupations
    • Repair: Installation, maintenance, and repair occupations
  • Production, transportation, and material moving occupations:
    • Production: Production occupations
    • Transportation: Transportation occupations
    • Material Moving: Material moving occupations

For additional information about the data presented on this site, including our sources, please see the About Page.

More Topics to Explore

Demographics

Income

Education

More Maps to Explore

State:
California
County:
Yolo
Metro Area:
Sacramento Area
ZIP Codes:
95695, 95697
Unified School District:
Woodland
Congressional District:
CA-3
State Senate District:
CA-3
Assembly District:
CA-4
Nearby Cities:
Davis, Woodland
Nearby Unincorporated Places:
Dunnigan, Esparto, Knights Landing, Madison, Monument Hills, Nicolaus, Robbins, University of California-Davis