0001179110-06-017374.hdr.sgml : 20060823 20060823161218 0001179110-06-017374 4 1 20060823 20060823 20060823 WESTERN GAS RESOURCES INC 0000856716 4924 841127613 DE 1231 1099 18TH STREET, SUITE 1200 DENVER CO 80202-1955 303 452 5603 1099 18TH STREET, SUITE 1200 DENVER CO 80202-1955 STONEHOCKER WALTER L 0001228362 4 34 001-10389 061051124 C/O WESTERN GAS RESOURCES INC 1099 18TH STREET STE 1200 DENVER CO 80202 3034525603