Forest Anatomy and Identification

Historic photographs depicting wood anatomy, tree identification, and forest diseases, showcasing various tree species and their characteristics.

Aerial map displaying the intricate network of trenches in France during World War One. The map, labeled NIMEN 8859, was taken by the Signal Corps and showcases the extensive trench system. This map is an essential tool for understanding the challenging conditions faced by soldiers on the frontlines.

Wood Anatomy - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Elm. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Forest Diseases - Montana. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Cherry. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Cherry. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Pine, Slash. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Rodents: Squirrels, Chipmunks - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Photograph showing the effects of Mustard gas on the trachea's membrane. It was taken by the Chemical Warfare Service's Research Division, specifically by E.K. Marshall. Captured on July 12, 1918, the image serves as evidence of the physiological research conducted during World War I.

Forest Products Insects - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Aerial map displaying the intricate network of trenches in France during World War One. The map, labeled NIMEN 8859, was taken by the Signal Corps and showcases the extensive trench system. This map is an essential tool for understanding the challenging conditions faced by soldiers on the frontlines.

Tree Identification - Maple: Silver. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Aerial view of the hydrogen plant at the Aviation Experiment Station in Hampton, VA. The photograph, taken on July 4, 1917, shows the layout and infrastructure of the plant. This image is part of the collection 111-SC-3799 in the Photographs of American Military Activities during World War One.

In this image, a member of the Radio Division is seen operating the Sunter Airplane Radio Telephone set. This particular model, the Y-2444, is one of eight experimental models used and has a receiving wave length range of 300 to 2400 meters. This photograph was taken on February 15, 1919.

A French amplifier, Type #3, is seen in the Research and Inspection Laboratory in Paris, France, in January 1918. This photograph, taken by the Signal Corps, is labeled 33660 and was received in 1919. The image showcases the technical advancements and research conducted during World War One.

Exterior view of a French Variometer for Type-K transmitter. Photograph taken by the Signal Corps in 1919. The image showcases the device's exterior features. Caption notes indicate caption code ">2222" and a description issued by SYREKL.

Bark Beetles: Scolytus Beetle - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Popular. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Image of a dummy bomb, Mark 1, at the Ordnance Dept. Office in Ford Building, Washington D.C. The photo was taken by Sgt. W. Tauskey on May 16, 1918. The dummy bomb is described as number A and the photo was issued on May 11, 1918. The image is not for publication and there are additional notes numbered 10008.

Petroleum experts from the U.S. Bureau of Mines conducting tests for superior airplane fuel at the San Francisco experiment station. The tests were performed under the supervision of Chester Naramore, a petroleum technologist. The goal was to find an optimal fuel for the Army and Navy during the war.

Image depicting the degeneration of the epithelium of convoluted tubules as part of physiological research conducted by E.K. Marshall in the Research Division of the Chemical Warfare Service during World War One. Photograph taken on July 12, 1918.

Men at the School of Engineering for Enlisted Men at the Pennsylvania State College in State College, PA are examining samples of forging. This photograph was received from Penn State College and taken by photographer number 55347. The description states that it is for official use only and includes a note: ano 00201 0 01- noll ISTOL.

Forbs and Wildflowers - H. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Genetics, Form and Growth Studies - Illinois. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

End view of the Regulating Air Fan of the S.C. aeroplane radio apparatus, located in Washington, D.C. This photograph was taken on April 17, 1919. The apparatus is marked for official use only and carries the designation SUBJECT 47369. Photographer's credit: McKenzie.

Genetics - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Root -Feeding Grubs - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

This image shows the inside temperatures of gas masks and the location of thermometers in the Tissot hood. It is a part of H.H. Clark's mechanical research in the Research Division of the Chemical Warfare Service. The image was received from the Research Div., Chemical Warfare Service, and was taken on P.N. 1129. This information was recorded on July 12, 1918.

Termites - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Photograph showing a soldier inspecting SUBIECT 54517 chemical warfare service equipment. The image shows paper and felt filters used for protection. Notes indicate that the item is issued under AD and labeled as MED 2279.

Forest Diseases - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

In this photograph, taken at the Aviation Experiment Station in Hampton, V, we can see the landing gear of the Thomas S-4 airplane. The image was taken on July 4, 1917, with the reference number 111-SC-3606.

Photograph from July 12, 1918, depicting a kidney after exposure to G-7, a chemical used in chemical warfare during World War One. The image is part of the Chemical Warfare Service's Research Division, specifically focusing on physiological research conducted by E.K. Marshall. Notes indicate that the photograph was received from the Chemical Warfare Service's Research Division.

Needle Miners - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Disease Control - Wyoming. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

The Metallographic Laboratory of the Bureau of Mines in Pittsburgh was established in April 1918. It was created to conduct cooperative work with the Inspection Division of the Ordnance Department of the U.S. Army, specifically examining metals and alloys used in ordnance. The laboratory was staffed by F. B. Laney, a United States Geological Survey employee, and Prof. Charles Y. Clayton from the University of Missouri School of Mines. Dr. F. G. Cottrell, Chief Metallurgist of the Bureau of Mines, oversaw the work.

The image shows a Type 1 canister and its contents used by the Mechanical Research division of the Chemical Warfare Service during World War I. The canister consists of a body, top with a dome screen, bottom with a valve, and a slotted cooling box. It also contains several screens made of corrugated iron and copper wire, a cotton wadding pad, and springs. The photograph was taken on July 12, 1918.

The image shows a model operator set for an outpost switchboard in an operating position. It was taken at the Research and Inspection Lab in Paris, France. The photograph is part of the collection held by the A.E.F. Censor, with Lt. Cloud as the photographer.

Forest Insects - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Photograph taken on July 12, 1918, of the pyrotechnic research conducted by J.A. Richter at the Chemical Warfare Service's Research Division. The image shows a jute net with incendiary material used for shells. This photograph was received from the Chemical Warfare Service and is marked with P.N. 1123.

Forest Diseases - Colorado. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Newly perfected gasoline indicator clearly displays the fuel supply in the tank at Love Field, Dallas, Texas. This photograph was taken on November 21, 1918, for official use only. It is not for publication or public release.

An unidentified Private P. Grenbeaux observes steel corrosion tests being conducted at the Department of Agriculture Building in Washington, D.C. The photograph was taken on December 20, 1918. The image showcases the military's involvement in scientific research and testing during World War I.

Fig I. Sezione del monte , Archaeological sites, Reservoirs, Pools. The Antonio Cardinal Tosti Collection

Genetics, Form and Growth Studies - Nebraska. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

This photograph (111-SC-6023) features a wireless reel and antenna. It was taken around March 1918 by photographer D.M.A. in Washington, D.C. The image showcases a 1890ED AU wireless reel and antenna. The item is labeled as #86023 in the notes, and it is unclear what "CO" refers to.

Tree Identification - Pondcyprus. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Nectandra. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tent Caterpillars - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Birds - "R". Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Herbarium Specimen. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Insects: Forest Insects - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Forest Diseases - Mississippi. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Laboratory Interiors - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Photograph showing the aftermath of mustard gas exposure on two small bronchi, taken as part of the Chemical Warfare Service's physiological research conducted by E.K. Marshall. The photo was received from the C.W.S. Research Division on July 12, 1918, with the reference number SUBIECT 54480 AU P.N. 1027.

Geological Formations - Caves/ Walls - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Fir- White. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Back view of the Radio Tractor No. 2-1915, photographed by S.C. Reco on February 19, 1921. The image displays the back of the radio panel showing the oscillation transformer and inductance, with the Homber 062590 symbol. This is a description issued for the Radio Tractor No. 2-1915.

Photograph taken on July 12, 1918, in the Research Division of the Chemical Warfare Service. The image shows a section of a lung that has been exposed to mustard gas for five days. The purpose of the photograph is to illustrate the physiological effects of mustard gas.

"Gas masks being tested for temperature regulation. Thermometers are placed in the Tissot hood to measure temperature. This photograph was taken by a Chemical Warfare Service photographer on April 2, 1919. The subject of the image is Subiect 54564, depicting the temperature of gas masks and the location of the thermometers in the Tissot hood."

Forest Insects - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

X -ray of a pelvis, anonymous, c. 1904 - in or before 1909 photomechanical print paper X-ray examination. pelvis

Tree Identification - Tamarack. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Wood Structure - Microscopic. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Coniferous Loopers - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Image showing the physiological research conducted by E.K. Marshall in the Research Division of the Chemical Warfare Service during World War One. The image displays hemoglobin crystals and figments present in the cytoplasm of the epithelial cells of collecting tubules. Date of receipt: July 12, 1918. Photograph: P.N. 1053.

Image of the Haber synthetic ammonia catalyst testing plant at American University in Washington, D.C. This photograph was taken by Sgt. Hitz of the Signal Corps on January 30, 1920. The plant was part of the analytical laboratory and was used for testing synthetic ammonia catalysts. Official seal number 67765 is visible.

The image shows a transmitter connected to a British Sterling Set device. The photograph was taken in 1918 by a photographer from the D.M.A. Wash. D.C. The transmitter is mounted on a slider within the machine. The item is labeled with the identification number 06009, and its usage is restricted to official purposes only.

Forest Insects - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Caption: American Tissot mask components, including die casting and chin rest, inhalation tubes, flutter valve and guard, and breathing tube, being assembled. This photograph was taken by a Chemical Warfare Service photographer on April 2, 1919.

Coniferous Budworms - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Chemical Wood - New Hampshire. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

An SCR 54 receiving set (French type) of SCR apparatus used during World War One. This photograph, taken by REMA in May 1918, showcases the receiver that was not for publication. It appears to be a laboratory note with the name ERNE Tot included.

Tool used for estimating the concentration of chlorine in a gas chamber. It is a colorine cylinder, flow meter, aspirator bottle filled with water, and a burette. The apparatus is utilized to measure the amount of chlorine passing into the gas chamber. The image is from Photographs of American Military Activities during World War One.

Private Paul Grenbeaux of the S.C. is seen inspecting an interior cow carcass at the Auth Provision Co. and Armour Meat Co. in Washington, D.C. The photograph was taken on November 9, 1918, and was released by the M.I.D. censor on November 15, 1918. The image is labeled as 256701 in the series.

Tent Caterpillars - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Birch. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Cedar. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Juniper: Rocky Mountain. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Decadenence -Dieback - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Detection Survey - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Physical Instrument, F.W. Funckler, c. 1857 - in or before 1867 photograph Netherlands photographic support albumen print physics (+ tools, instruments; laboratory equipment ~ scientific research)

Tree Identification - Pine, Knobcone. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Insects/Reptiles - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Streamflow Studies - North Carolina. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

U.S. soldier marking the U.S. test mark on a propeller at a manufacturing facility during World War One. The date the photo was taken is December 1917, and it was captured by Captain G.V. Dawson. The caption includes laboratory notes related to the propeller's specifications.

Wood Utilization. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Photoheliograph, Woodford, anonymous, c. 1882 - in or before 1892 photomechanical print Woodford paper collotype observatory (~ astronomy). optical instruments. telescope

Image of tubes for anti-dimming compounds used by the Chemical Warfare Service's Research Division in their mechanical research conducted by B.B. Fogler during World War I. The photograph was taken on July 12, 1918 and received from the Chemical Warfare Service's Research Division. Description number is classified as CHEMICAL WARFARE SERVICE; RESEARCH DIVISION; MECHANICAL RESEARCH BY B.B. FOGLER.

Genetics - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Forest Diseases - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Oak: Shingle. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Range Plant Insects - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Fish - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Tree Identification - Pine, Loblolly. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Image depicting the Haber synthetic ammonia catalyst testing plant located at American University in Washington D.C. In the photo, there are catalyst bombs and a switchboard. The image was taken on January 30th, 1920 by photographer Sot. Hitz. It is a symbol photo with number 67762 and was received on February 4th, 1920. The notes mention that it is a U.S. official documentation.

Forest Diseases - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Forest Diseases - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Genetics - General. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Wood Anatomy - All States. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Saw Products: Dimensions - New York. Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

of 4