The aim of the program for exploring coal at periphery of Songshu coal mine,Hunjiang coalfield is mostly to enlarge the coal reserves.

• 浑江煤田松树煤矿外围找煤项目主要是扩大煤炭储量,该区山高林密,地表条件差,地质构造复杂,侵入体多,形成高阻电性层。