"Civilizations have long used canals to move water, ships, cargo, and people from one location to another. The first canals were often trenches dug to bring water to crops. Some were dug to connect rivers or other bodies of water. Over the centuries, the techniques, technology, resources, and science used to construct canals has changed greatly. Today, canals all over the world help keep business booming and people moving. Readers will learn how engineers...

"Updated annually, the Waterway Guide Chesapeake Bay 2019 edition is the indispensable cruising companion for boaters exploring the Chesapeake Bay, the Delaware Bay and the Delmarva Atlantic coast from Cape May to Norfolk. The guide features mile-by-mile navigation information, aerial photography with marked routes, marina listings and locator charts, anchorage information and expanded "Goin' Ashore" articles on ports along the way. Helpful cruising...

"Updated annually, the Waterway Guide Chesapeake Bay 2021 edition is the indispensable cruising companion for boaters exploring the Chesapeake Bay, the Delaware Bay and the Delmarva Atlantic coast from Cape May to Norfolk. The guide features mile-by-mile navigation information, aerial photography with marked routes, marina listings and locator charts, anchorage information and expanded "Goin' Ashore" articles on ports along the way. Helpful cruising...

"Updated annually, the Waterway Guide Chesapeake Bay 2022 edition is the indispensable cruising companion for boaters exploring the Chesapeake Bay, the Delaware Bay and the Delmarva Atlantic coast from Cape May to Norfolk. The guide features mile-by-mile navigation information, aerial photography with marked routes, marina listings and locator charts, anchorage information and expanded "Goin' Ashore" articles on ports along the way. Helpful cruising...

"Rivers and mountains are both critical parts of Earth's geography. This accessible text discusses how rivers and mountains form, how they interact with the weather, how they change over time, and how civilizations benefit from them. Informative fact boxes, simple diagrams, and vibrant, full-color photographs support the compelling main text. This introduction to rivers and mountains is sure to expand young learners' minds, as they enhance their knowledge...

Covers the history of Imperial China from its earliest beginnings to the days of the last emperor.

"Professional mariners, military and civilian, from cadets to captains, will find the book's thorough commentary on the rules of the road and its analysis of numerous collision cases in which the courts construed and applied those rules an invaluable reference in understanding of the role of the rules in managing risk of collision. At the same time, maritime attorneys and judges will find the book continues to provide a professional mariner's insight...

Covers entries ranging from Abolitionist movement to Zoos.

"The story of phosphorus spans the globe and vast tracts of human history. The race to mine phosphorus took people from the battlefields of Waterloo, which were looted for the bones of fallen soldiers, to the fabled guano islands off Peru, the Bone Valley of Florida, and the sand dunes of the Western Sahara. Over the past century, phosphorus has made farming vastly more productive, feeding the enormous increase in the human population. Yet, as Egan...

Southern Maryland is made up of a collection of peninsulas covered in low rolling hills, fields, forests, swamps, and waterways leading to the Potomac River and the Chesapeake Bay. As such, this area enjoyed relative isolation and small population for over three centuries despite its proximity to cities such as Alexandria, Annapolis, Baltimore, and Washington. Those who did settle here developed a close connection to its farms, waterways, and natural...