If the batteries are of the same type, i.e. both are NiMH or both are Lithium-ion, then you can use a higher capacity (i.e. higher mAh) battery instead of the lower one. The reverse is also true.
People visiting Table Rock are not allowed beyond the Mill Creek Watershed boundary, which is clearly marked with numerous signs. As mentioned earlier, the Mill Creek Watershed is a closed watershed and no public access is allowed, as it is the municipal water source for the city of Walla Walla, Washington.
The Rocky River watershed is 294 square miles (188,160 acres), includes 664 stream miles and contains portions of Cuyahoga, Lorain, Medina and Summit counties. Like other rivers in Northeastern Ohio, the receding glaciers shaped the Rocky River.