Acquisition Of Stone From 4" To 16" (In Quarry) For The Execution Of Work: Improvement Of The Urban Transitability Service Of The Jr. Malecon Walcker Soberon; (From Emp.Pe-3N Km 232+140 Puente Huallaga - Emp Pe -3N Km 228 + 920 Huancachupa), Calle Las Viñas - Ccpp Potracancha, District Of Pillco Marca - Province Of Huanuco - Department Of Huanuco.