Add spaces: Acreekrunsthroughit.Getoneoftheoldpansand,withluckonyoursideandsomeskill,you'llwashoutsomeofthepreciousnuggets.

Answer: A creek runs through it. Get one of the old pans and, with luck on your side and some skill, you'll wash out some of the precious nuggets.

Add spaces: maintainingfaithandagoodconscience;which[last]some,havingputaway,havemadeshipwreckastofaith;

Answer: maintaining faith and a good conscience; which [last] some, having put away, have made shipwreck as to faith;

Add spaces: Theresultofaformulacannotbeanarray.

Answer:
The result of a formula cannot be an array.