rich 1.0 Scribble Maps https://scribblemaps.com the drains of ptbo -Circle is the entrance -line is the general path <iframe src="//widgets.scribblemaps.com/sm/?d&z&l&id=PTBOstormdrains" width="720" height="550" style="max-width: 100%;" frameborder="0" title="PTBO storm drains" webkitallowfullscreen mozallowfullscreen allowfullscreen allow="geolocation" loading="lazy"></iframe> 720 550 https://scribblemaps.com/api/maps/images/PTBOstormdrains_thumb_1200x630.jpg 256 256 PTBOstormdrains