imer         339256 (-105.0656 40.5477)
#&gt;  5 Lakewood         Colorado   Jefferson       156309 (-105.1172 39.6977)
#&gt;  6 Greeley          Colorado   Weld            143554 (-104.7706 40.4152)
#&gt;  7 Thornton         Colorado   Adams           142878 (-104.9438 39.9197)
#&gt;  8 Grand Junction   Colorado   Mesa            141008 (-108.5673 39.0877)
#&gt;  9 Arvada           Colorado   Jefferson       122835   (-105.151 39.832)
#&gt; 10 Boulder          Colorado   Boulder         120121 (-105.2524 4