at 22 pivotally mounted upon the platform 12 is an articulated boom structure represented generally at 24 which includes a boom component 26 which is pivotally mounted at its base pivot see fig2 and 8 to platform 12 and the opposite end or outboard end of which 28 functions to provide a pivot connection with the inboard end of gib boom or stick 30 in the latter regard a large bracket 32 is seen pivoted to the outboard end 28 of boom 26 via pin 34 and the bracket is seen to extend outwardly from the latter pin to a pin connection 36 with the piston 38 of a hydraulic cylinder actuator 40 the opposite end of which is seen to be pivotally coupled to a bracket 42 fixed to and extending outwardly from the top side 44 of boom 26 stick or gibe 30 is seen extending to an outboard pivot connection 46 to which is coupled a grapple 48 such devices as grapple 48 will have a top to bottom length for example as extensive as about 11 feet the boom component 24 as revised with respect to its original angulate form is advantageously uniform and straight due to a union 50 provided in.