This good was harvested in places such as Rockwood, Maine and Spy Pond in Massachusetts and sold in the summer to residents of cities such as Philadelphia and Charleston.  
During the 1893 Chicago World's Fair, visitors gawked at a massive fire at a factory which produced this substance caused by workers forgetting to install an iron thimble around a smokestack. Carl Linde incorrectly claimed his ammonia compression technique to produce this good was free of explosion risk.  Queen Victoria insisted on using the Wenham Lake brand of this good.  Buildings which stored this good were usually also packed with (*) sawdust. Prior to Linde's invention, this good was transported by men such as Frederic Tudor, who thought he could make a killing selling it in the Caribbean.  This good was harvested in places such as Rockwood, Maine and Spy Pond in Massachusetts and sold in the summer to residents of cities such as Philadelphia and Charleston.  It's not milk, but a horse-drawn wagon would deliver this good to namesake boxes in the home.  For 10 points, name this good, harvested in the beginning of Frozen.
During the 1893 Chicago World's Fair, visitors gawked at a massive fire at a factory which produced this substance caused by workers forgetting to install an iron thimble around a smokestack.
ice [or frozen water; or cold storage; do not accept or prompt on just "water"] 