 With the agreement of Kaufmann and the engineers , True also devised an innovative color @-@ coding for the pipes and machinery , which was implemented throughout all BOR projects . True 's consulting artist job lasted through 1942 ; it was extended so he could complete design work for the Parker , Shasta and Grand Coulee dams and power plants . True 's work on the Hoover Dam was humorously referred to in a poem published in The New Yorker , part of which read , " lose the spark , and justify the dream ; but also worthy of remark will be the color scheme " . 
 With the agreement of Kaufmann and the engineers , True also devised an innovative color @-@ coding for the pipes and machinery , which was implemented throughout all BOR projects . True <a href='null_genetive' title='1'><mark>'s</mark></a>consulting artist job lasted through 1942 ; it was extended so he could complete design work for the Parker , Shasta and Grand Coulee dams and power plants . True <a href='null_genetive' title='2'><mark>'s</mark></a>work on the Hoover Dam was humorously referred to in a poem published in The New Yorker , part of which read , " lose the spark , and justify the dream ; but also worthy of remark will be the color scheme " . 
With da agreement of Kaufmann and tdaengineers , True also devised an innovative color @-@ coding for the pipes and machinery , which was implemented throughout all BOR projects . True  consulting artist job lasted through 1942 ; it was extended soo he could complete design wrk fir the Parker , Shasta and Grand Coulee dams and power plants . tru  work on thdaoover Dam was humorously referred to in a poem published in The New Yorker , part of which read , " lose the spark , and justify the dream ; but also worthy of remark gon be the color scheme " .