CA County Boundary Files
Alameda 1990 [1] | 2000 [2] | 2007 [3] |
Kings 1990 [4] | 2000 [5] | 2007 [6] |
Placer 1990 [7] | 2000 [8] | 2007 [9] |
Sierra 1990 [10] | 2000 [11] | 2007 [12] |
Alpine 1990 [13] | 2000 [14] | 2007 [15] |
Lake 1990 [16] | 2000 [17] | 2007 [18] |
Plumas 1990 [19] | 2000 [20] | 2007 [21] |
Siskyou 1990 [22] | 2000 [23] | 2007 [24] |
Amador 1990 [25] | 2000 [26] | 2007 [27] |
Lassen 1990 [28] | 2000 [29] | 2007 [30] |
Riverside 1990 [31] | 2000 [32] | 2007 [33] |
Solano 1990 [34] | 2000 [35] | 2007 [36] |
Butte 1990 [37] | 2000 [38] | 2007 [39] |
Los Angeles 1990 [40] | 2000 [41] | 2007 [42] |
Sacramento 1990 [43] | 2000 [44] | 2007 [45] |
Sonoma 1990 [46] | 2000 [47] | 2007 [48] |
Calaveras 1990 [49] | 2000 [50] | 2007 [51] |
Madera 1990 [52] | 2000 [53] | 2007 [54] |
San Benito 1990 [55] | 2000 [56] | 2007 [57] |
Stanislaus 1990 [58] | 2000 [59] | 2007 [60] |
Colusa 1990 [61] | 2000 [62] | 2007 [63] |
Marin 1990 [64] | 2000 [65] | 2007 [66] |
San Bernardino 1990 [67] | 2000 [68] | 2007 [69] |
Sutter 1990 [70] | 2000 [71] | 2007 [72] |
Contra Costa 1990 [73] | 2000 [74] | 2007 [75] |
Mariposa 1990 [76] | 2000 [77] | 2007 [78] |
San Diego 1990 [79] | 2000 [80] | 2007 [81] |
Tehama 1990 [82] | 2000 [83] | 2007 [84] |
Del Norte 1990 [85] | 2000 [86] | 2007 [87] |
Mendocino 1990 [88] | 2000 [89] | 2007 [90] |
San Francisco 1990 [91] | 2000 [92] | 2007 [93] |
Trinity 1990 [94] | 2000 [95] | 2007 [96] |
El Dorado 1990 [97] | 2000 [98] | 2007 [99] |
Merced 1990 [100] | 2000 [101] | 2007 [102] |
San Joaquin 1990 [103] | 2000 [104] | 2007 [105] |
Tulare 1990 [106] | 2000 [107] | 2007 [108] |
Fresno 1990 [109] | 2000 [110] | 2007 [111] |
Modoc 1990 [112] | 2000 [113] | 2007 [114] |
San Luis Obispo 1990 [115] | 2000 [116] | 2007 [117] |
Tuolumne 1990 [118] | 2000 [119] | 2007 [120] |
Glenn 1990 [121] | 2000 [122] | 2007 [123] |
Mono 1990 [124] | 2000 [125] | 2007 [126] |
San Mateo 1990 [127] | 2000 [128] | 2007 [129] |
Ventura 1990 [130] | 2000 [131] | 2007 [132] |
Humboldt 1990 [133] | 2000 [134] | 2007 [135] |
Monterey 1990 [136] | 2000 [137] | 2007 [138] |
Santa Barbara 1990 [139] | 2000 [140] | 2007 [141] |
Yolo 1990 [142] | 2000 [143] | 2007 [144] |
Imperial 1990 [145] | 2000 [146] | 2007 [147] |
Napa 1990 [148] | 2000 [149] | 2007 [150] |
Santa Clara 1990 [151] | 2000 [152] | 2007 [153] |
Yuba 1990 [154] | 2000 [155] | 2007 [156] |
Inyo 1990 [157] | 2000 [158] | 2007 [159] |
Nevada 1990 [160] | 2000 [161] | 2007 [162] |
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Kern 1990 [166] | 2000 [167] | 2007 [168] |
Orange 1990 [169] | 2000 [170] | 2007 [171] |
Shasta 1990 [172] | 2000 [173] | 2007 [174] |