Also is your population at 90? if not building more huts all around resources and places will increase resource cap.
Huts are drop off points for workers, so build huts around every mine and major forests (even if its already cut down because trees do regrow!).
Also learn to double build with labourers, having 2 labourer battalions on a building building it cuts the time in half, watch the estimated time left timer plummet! (I did all math and coded that timer fyi)